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Voyager 2

Index Voyager 2

Voyager 2 is a space probe launched by NASA on August 20, 1977, to study the outer planets. [1]

159 relations: Adrastea (moon), Amalthea (moon), Apsis, Ariel (moon), Asteroid belt, Atlas (moon), Attitude control, Axial tilt, Belinda (moon), Bianca (moon), Blind Willie Johnson, Callisto (moon), Calypso (moon), Canopus, Cape Canaveral Air Force Station, Cape Canaveral Air Force Station Space Launch Complex 41, Cape Canaveral, Florida, Celsius, Centaur (rocket stage), Charged particle, Chuck Berry, Cirrus cloud, Cordelia (moon), Cosmic Ray Subsystem, Cressida (moon), Data-rate units, Declination, Desdemona (moon), Despina (moon), Dione (moon), Directional antenna, Doppler effect, Dover Publications, Dwarf planet, Earth, Ecliptic, Enceladus, Epimetheus (moon), Eris (dwarf planet), Escape velocity, Europa (moon), Exploration of Jupiter, Exploration of Neptune, Exploration of Saturn, Exploration of Uranus, Fahrenheit, Family Portrait (Voyager), Fault (geology), Ganymede (moon), Grand Tour program, ..., Gravity assist, Great Dark Spot, Great Red Spot, Gyroscope, Heavens-Above, Helene (moon), Heliosphere, Hubble Space Telescope, Hydrazine, Hyperion (moon), Hypothesis, Iapetus (moon), Ice giant, Interferometry, International Astronomical Union, Interstellar medium, Inverse-square law, Io (moon), Janus (moon), Jet Propulsion Laboratory, Johnny B. Goode, Juliet (moon), Jupiter, Kelvin, Large Strategic Science Missions, Larissa (moon), Launch vehicle, Light-year, List of artificial objects leaving the Solar System, List of missions to the outer planets, Magnetometer, Methane, Metis (moon), Mimas (moon), Miranda (moon), Momentum, Moons of Jupiter, Moons of Neptune, Moons of Saturn, Moons of Uranus, Music in space, NASA, NASA Deep Space Network, Neptune, New Horizons, New Scientist, Oberon (moon), Occultation, Ophelia (moon), Outer planets, Outer space, Pandora (moon), Pascal (unit), Pavo (constellation), Perdita (moon), Phoebe (moon), Pioneer 10, Pioneer 11, Plasma (physics), Pluto, Polarimeter, Polarizer, Portia (moon), Proteus (moon), Proxima Centauri, Puck (moon), Radio astronomy, Radioisotope thermoelectric generator, Rhea (moon), Right ascension, Rings of Jupiter, Rings of Neptune, Rings of Saturn, Rings of Uranus, Roche limit, Rosalind (moon), Ross 248, S band, Saturn, Scattered disc, Sirius, Smithsonian (magazine), Sodium, Solar System, Space probe, Spectrometer, Sun, Telemetry, Telescopium, Telesto (moon), Tethys (moon), Thebe (moon), Timeline of artificial satellites and space probes, Titan (moon), Titan IIIE, Titania (moon), Traveling-wave tube, Triton (moon), Ultraviolet, Umbriel (moon), Uranus, Valya Balkanska, Viking 2, Volcano, Voyager 1, Voyager program, Wolfgang Amadeus Mozart, X band, 90377 Sedna. Expand index (109 more) »

Adrastea (moon)

Adrastea (Αδράστεια), also known as, is the second by distance, and the smallest of the four inner moons of Jupiter.

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Amalthea (moon)

Amalthea (Ἀμάλθεια) is the third moon of Jupiter in order of distance from the planet.

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Apsis

An apsis (ἁψίς; plural apsides, Greek: ἁψῖδες) is an extreme point in the orbit of an object.

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Ariel (moon)

Ariel is the fourth-largest of the 27 known moons of Uranus.

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Asteroid belt

The asteroid belt is the circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter.

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Atlas (moon)

Atlas is an inner satellite of Saturn.

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Attitude control

Attitude control is controlling the orientation of an object with respect to an inertial frame of reference or another entity like the celestial sphere, certain fields, and nearby objects, etc.

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Axial tilt

In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane.

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Belinda (moon)

Belinda is an inner satellite of the planet Uranus.

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Bianca (moon)

Bianca is an inner satellite of Uranus.

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Blind Willie Johnson

Blind Willie Johnson (January 25, 1897 – September 18, 1945) was an American gospel blues singer and guitarist and evangelist.

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Callisto (moon)

Callisto (Jupiter IV) is the second-largest moon of Jupiter, after Ganymede.

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Calypso (moon)

Calypso (Καλυψώ) is a moon of Saturn.

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Canopus

Canopus, also designated Alpha Carinae (α Carinae, abbreviated Alpha Car, α Car), is the brightest star in the southern constellation of Carina, and the second-brightest star in the night-time sky, after Sirius.

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Cape Canaveral Air Force Station

Cape Canaveral Air Force Station (CCAFS) (known as Cape Kennedy Air Force Station from 1963 to 1973) is an installation of the United States Air Force Space Command's 45th Space Wing.

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Cape Canaveral Air Force Station Space Launch Complex 41

Cape Canaveral Air Force Station Space Launch Complex 41 (SLC-41), previously Launch Complex 41 (LC-41), is an active launch site at the north end of Cape Canaveral, Florida at Cape Canaveral Air Force Station.

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Cape Canaveral, Florida

Cape Canaveral is a city in Brevard County, Florida.

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Celsius

The Celsius scale, previously known as the centigrade scale, is a temperature scale used by the International System of Units (SI).

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Centaur (rocket stage)

Centaur has been designed to be the upper stage of space launch vehicles and is used on the Atlas V. Centaur was the world's first high-energy upper stage, burning liquid hydrogen (LH2) and liquid oxygen (LOX).

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Charged particle

In physics, a charged particle is a particle with an electric charge.

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Chuck Berry

Charles Edward Anderson Berry (October 18, 1926 – March 18, 2017) was an American singer, songwriter, musician, and one of the pioneers of rock and roll music.

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Cirrus cloud

Cirrus (cloud classification symbol: Ci) is a genus of atmospheric cloud generally characterized by thin, wispy strands, giving the type its name from the Latin word cirrus, meaning a ringlet or curling lock of hair.

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Cordelia (moon)

Cordelia is the innermost known moon of Uranus.

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Cosmic Ray Subsystem

Cosmic Ray Subsystem (CRS, or Cosmic Ray System) is an instrument aboard the Voyager 1 and Voyager 2 spacecraft of the NASA Voyager program, and it is an experiment to detect cosmic rays.

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Cressida (moon)

Cressida (Χρησίδα) is an inner satellite of Uranus.

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Data-rate units

In telecommunications, data-transfer rate is the average number of bits (bitrate), characters or symbols (baudrate), or data blocks per unit time passing through a communication link in a data-transmission system.

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Declination

In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.

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Desdemona (moon)

Desdemona is an inner satellite of Uranus.

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Despina (moon)

Despina (or; Latin: Despœna; Greek: Δέσποινα), also known as Neptune V, is the third-closest inner satellite of Neptune.

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Dione (moon)

Dione (Διώνη) is a moon of Saturn.

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Directional antenna

A directional antenna or beam antenna is an antenna which radiates or receives greater power in specific directions allowing increased performance and reduced interference from unwanted sources.

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Doppler effect

The Doppler effect (or the Doppler shift) is the change in frequency or wavelength of a wave in relation to observer who is moving relative to the wave source.

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Dover Publications

Dover Publications, also known as Dover Books, is an American book publisher founded in 1941 by Hayward Cirker and his wife, Blanche.

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Dwarf planet

A dwarf planet is a planetary-mass object that is neither a planet nor a natural satellite.

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Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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Ecliptic

The ecliptic is the circular path on the celestial sphere that the Sun follows over the course of a year; it is the basis of the ecliptic coordinate system.

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Enceladus

Enceladus is the sixth-largest moon of Saturn.

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Epimetheus (moon)

Epimetheus is an inner satellite of Saturn.

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Eris (dwarf planet)

Eris (minor-planet designation 136199 Eris) is the most massive and second-largest (by volume) dwarf planet in the known Solar System.

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Escape velocity

In physics, escape velocity is the minimum speed needed for an object to escape from the gravitational influence of a massive body.

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Europa (moon)

Europa or as Ευρώπη (Jupiter II) is the smallest of the four Galilean moons orbiting Jupiter, and the sixth-closest to the planet.

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Exploration of Jupiter

The exploration of Jupiter has been conducted via close observations by automated spacecraft.

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Exploration of Neptune

The exploration of Neptune has only begun with one spacecraft, Voyager 2 in 1989.

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Exploration of Saturn

The exploration of Saturn has been solely performed by crewless probes.

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Exploration of Uranus

The exploration of Uranus has, to date, been solely through telescopes and NASA's Voyager 2 spacecraft, which made its closest approach to Uranus on January 24, 1986.

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Fahrenheit

The Fahrenheit scale is a temperature scale based on one proposed in 1724 by Dutch-German-Polish physicist Daniel Gabriel Fahrenheit (1686–1736).

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Family Portrait (Voyager)

The Family Portrait, or sometimes Portrait of the Planets, is an image of the Solar System acquired by Voyager 1 on February 14, 1990 from a distance of approximately 6 billion kilometers from Earth.

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Fault (geology)

In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement as a result of rock-mass movement.

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Ganymede (moon)

Ganymede (Jupiter III) is the largest and most massive moon of Jupiter and in the Solar System.

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Grand Tour program

The Grand Tour was a NASA program that would have sent two groups of robotic probes to all the planets of the outer Solar System.

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Gravity assist

In orbital mechanics and aerospace engineering, a gravitational slingshot, gravity assist maneuver, or swing-by is the use of the relative movement (e.g. orbit around the Sun) and gravity of a planet or other astronomical object to alter the path and speed of a spacecraft, typically to save propellant and reduce expense.

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Great Dark Spot

The Great Dark Spot (also known as GDS-89) was one of a series of dark spots on Neptune similar in appearance to Jupiter's Great Red Spot.

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Great Red Spot

The Great Red Spot is a persistent high-pressure region in the atmosphere of Jupiter, producing an anticyclonic storm 22° south of the planet's equator.

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Gyroscope

A gyroscope (from Ancient Greek γῦρος gûros, "circle" and σκοπέω skopéō, "to look") is a device used for measuring or maintaining orientation and angular velocity.

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Heavens-Above

Heavens-Above is a non-profit website developed and maintained by Chris Peat as Heavens-Above GmbH.

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Helene (moon)

Helene (Ἑλένη) is a moon of Saturn.

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Heliosphere

The heliosphere is the bubble-like region of space dominated by the Sun, which extends far beyond the orbit of Pluto.

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Hubble Space Telescope

The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.

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Hydrazine

Hydrazine is an inorganic compound with the chemical formula (also written), called diamidogen, archaically.

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Hyperion (moon)

Hyperion (Greek: Ὑπερίων), also known as Saturn VII (7), is a moon of Saturn discovered by William Cranch Bond, George Phillips Bond and William Lassell in 1848.

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Hypothesis

A hypothesis (plural hypotheses) is a proposed explanation for a phenomenon.

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Iapetus (moon)

Iapetus (Ιαπετός), or occasionally Japetus, is the third-largest natural satellite of Saturn, eleventh-largest in the Solar System, and the largest body in the Solar System known not to be in hydrostatic equilibrium.

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Ice giant

An ice giant is a giant planet composed mainly of elements heavier than hydrogen and helium, such as oxygen, carbon, nitrogen, and sulfur.

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Interferometry

Interferometry is a family of techniques in which waves, usually electromagnetic waves, are superimposed causing the phenomenon of interference in order to extract information.

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International Astronomical Union

The International Astronomical Union (IAU; Union astronomique internationale, UAI) is an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.

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Interstellar medium

In astronomy, the interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy.

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Inverse-square law

The inverse-square law, in physics, is any physical law stating that a specified physical quantity or intensity is inversely proportional to the square of the distance from the source of that physical quantity.

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Io (moon)

Io (Jupiter I) is the innermost of the four Galilean moons of the planet Jupiter.

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Janus (moon)

Janus is an inner satellite of Saturn.

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Jet Propulsion Laboratory

The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.

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Johnny B. Goode

"Johnny B. Goode" is a 1958 rock-and-roll song written and first recorded by Chuck Berry.

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Juliet (moon)

Juliet is an inner satellite of Uranus.

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Jupiter

Jupiter is the fifth planet from the Sun and the largest in the Solar System.

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Kelvin

The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.

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Large Strategic Science Missions

NASA's Large Strategic Science Missions, formerly known as Flagship missions or Flagship-class missions, are the costliest and most capable NASA science spacecraft.

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Larissa (moon)

Larissa (Greek: Λάρισσα), also known as Neptune VII, is the fifth-closest inner satellite of Neptune.

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Launch vehicle

A launch vehicle or carrier rocket is a rocket used to carry a payload from Earth's surface through outer space, either to another surface point (suborbital), or into space (Earth orbit or beyond).

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Light-year

The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

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List of artificial objects leaving the Solar System

Below is a list of artificial objects leaving the Solar System.

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List of missions to the outer planets

A total of nine spacecraft have been launched on missions that involve visits to the outer planets; all nine missions involve encounters with Jupiter, with four spacecraft also visiting Saturn.

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Magnetometer

A magnetometer is an instrument that measures magnetism—either the magnetization of a magnetic material like a ferromagnet, or the direction, strength, or relative change of a magnetic field at a particular location.

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Methane

Methane is a chemical compound with the chemical formula (one atom of carbon and four atoms of hydrogen).

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Metis (moon)

Metis (Μήτις), also known as, is the innermost moon of Jupiter.

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Mimas (moon)

Mimas, also designated Saturn I, is a moon of Saturn which was discovered in 1789 by William Herschel.

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Miranda (moon)

Miranda, also designated Uranus V, is the smallest and innermost of Uranus's five round satellites.

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Momentum

In Newtonian mechanics, linear momentum, translational momentum, or simply momentum (pl. momenta) is the product of the mass and velocity of an object.

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Moons of Jupiter

There are 69 known moons of Jupiter.

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Moons of Neptune

Neptune has 14 known moons, which are named for minor water deities in Greek mythology.

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Moons of Saturn

The moons of Saturn are numerous and diverse, ranging from tiny moonlets less than 1 kilometer across to the enormous Titan, which is larger than the planet Mercury.

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Moons of Uranus

Uranus is the seventh planet of the Solar System; it has 27 known moons, all of which are named after characters from the works of William Shakespeare and Alexander Pope.

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Music in space

Music in space is music played in or broadcast from a spacecraft in outer space.

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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NASA Deep Space Network

The NASA Deep Space Network (DSN) is a worldwide network of US spacecraft communication facilities, located in the United States (California), Spain (Madrid), and Australia (Canberra), that supports NASA's interplanetary spacecraft missions.

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Neptune

Neptune is the eighth and farthest known planet from the Sun in the Solar System.

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New Horizons

New Horizons is an interplanetary space probe that was launched as a part of NASA's New Frontiers program.

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New Scientist

New Scientist, first published on 22 November 1956, is a weekly, English-language magazine that covers all aspects of science and technology.

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Oberon (moon)

Oberon, also designated, is the outermost major moon of the planet Uranus.

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Occultation

An occultation is an event that occurs when one object is hidden by another object that passes between it and the observer.

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Ophelia (moon)

Ophelia is a moon of Uranus.

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Outer planets

The outer planets are those planets in the Solar System beyond the asteroid belt, and hence refers to the gas giants and ice giants, which are in order of their distance from the Sun.

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Outer space

Outer space, or just space, is the expanse that exists beyond the Earth and between celestial bodies.

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Pandora (moon)

Pandora (Πανδώρα) is an inner satellite of Saturn.

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Pascal (unit)

The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.

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Pavo (constellation)

Pavo is a constellation in the southern sky with the Latin name for peacock.

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Perdita (moon)

Perdita is an inner satellite of Uranus.

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Phoebe (moon)

Phoebe (Greek: Φοίβη Phoíbē) is an irregular satellite of Saturn with a mean diameter of 213 km.

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Pioneer 10

Pioneer 10 (originally designated Pioneer F) is an American space probe, launched in 1972 and weighing, that completed the first mission to the planet Jupiter.

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Pioneer 11

Pioneer 11 (also known as Pioneer G) is a robotic space probe launched by NASA on April 6, 1973 to study the asteroid belt, the environment around Jupiter and Saturn, solar wind and cosmic rays.

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Plasma (physics)

Plasma (Henry George Liddell, Robert Scott, A Greek English Lexicon, on Perseus) is one of the four fundamental states of matter, and was first described by chemist Irving Langmuir in the 1920s.

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Pluto

Pluto (minor planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond Neptune.

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Polarimeter

A polarimeter is a scientific instrument used to measure the angle of rotation caused by passing polarized light through an optically active substance.

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Polarizer

A polarizer or polariser is an optical filter that lets light waves of a specific polarization pass through while blocking light waves of other polarizations.

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Portia (moon)

Portia is an inner satellite of Uranus.

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Proteus (moon)

Proteus (Greek: Πρωτεύς), also known as Neptune VIII, is the second-largest Neptunian moon, and Neptune's largest inner satellite.

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Proxima Centauri

Proxima Centauri, or Alpha Centauri C, is a red dwarf, a small low-mass star, about from the Sun in the constellation of Centaurus.

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Puck (moon)

Puck is an inner moon of Uranus.

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Radio astronomy

Radio astronomy is a subfield of astronomy that studies celestial objects at radio frequencies.

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Radioisotope thermoelectric generator

A Radioisotope Thermoelectric Generator (RTG, RITEG) is an electrical generator that uses an array of thermocouples to convert the heat released by the decay of a suitable radioactive material into electricity by the Seebeck effect.

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Rhea (moon)

Rhea (Ῥέᾱ) is the second-largest moon of Saturn and the ninth-largest moon in the Solar System.

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Right ascension

Right ascension (abbreviated RA; symbol) is the angular distance measured only eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point above the earth in question.

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Rings of Jupiter

The planet Jupiter has a system of rings known as the rings of Jupiter or the Jovian ring system.

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Rings of Neptune

The rings of Neptune consist primarily of five principal rings and were first discovered (as "arcs") in 1984 in Chile by Patrice Bouchet, Reinhold Häfner and Jean Manfroid at La Silla Observatory (ESO) during an observing program proposed by André Brahic and Bruno Sicardy from Paris Observatory, and at Cerro Tololo Interamerican Observatory by F. Vilas and L.-R. Elicer for a program led by William Hubbard.

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Rings of Saturn

The rings of Saturn are the most extensive ring system of any planet in the Solar System.

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Rings of Uranus

The rings of Uranus are a system of rings around the planet Uranus, intermediate in complexity between the more extensive set around Saturn and the simpler systems around Jupiter and Neptune.

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Roche limit

In celestial mechanics, the Roche limit, also called Roche radius, is the distance in which a celestial body, held together only by its own gravity, will disintegrate due to a second celestial body's tidal forces exceeding the first body's gravitational self-attraction.

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Rosalind (moon)

Rosalind is an inner satellite of Uranus.

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Ross 248

Ross 248, also called HH Andromedae or Gliese 905, is a small star located approximately from Earth in the northern constellation of Andromeda.

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S band

The S band is a designation by the Institute of Electrical and Electronics Engineers (IEEE) for a part of the microwave band of the electromagnetic spectrum covering frequencies from 2 to 4 gigahertz (GHz).

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Saturn

Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter.

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Scattered disc

The scattered disc (or scattered disk) is a distant circumstellar disc in the Solar System that is sparsely populated by icy small solar system bodies, and are a subset of the broader family of trans-Neptunian objects.

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Sirius

Sirius (a romanization of Greek Σείριος, Seirios,."glowing" or "scorching") is a star system and the brightest star in the Earth's night sky.

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Smithsonian (magazine)

Smithsonian is the official journal published by the Smithsonian Institution in Washington, D.C. The first issue was published in 1970.

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Sodium

Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.

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Solar System

The Solar SystemCapitalization of the name varies.

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Space probe

A space probe is a robotic spacecraft that does not orbit the Earth, but, instead, explores further into outer space.

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Spectrometer

A spectrometer is a scientific instrument used to separate and measure spectral components of a physical phenomenon.

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Sun

The Sun is the star at the center of the Solar System.

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Telemetry

Telemetry is an automated communications process by which measurements and other data are collected at remote or inaccessible points and transmitted to receiving equipment for monitoring.

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Telescopium

Telescopium is a minor constellation in the southern celestial hemisphere, one of twelve named in the 18th century by French astronomer Nicolas-Louis de Lacaille and one of several depicting scientific instruments.

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Telesto (moon)

Telesto (Τελεστώ) is a moon of Saturn.

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Tethys (moon)

Tethys (or Saturn III) is a mid-sized moon of Saturn about across.

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Thebe (moon)

Thebe (Θήβη) also known as, is the fourth of Jupiter's moons by distance from the planet.

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Timeline of artificial satellites and space probes

This timeline of artificial satellites and space probes includes unmanned spacecraft including technology demonstrators, observatories, lunar probes, and interplanetary probes.

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Titan (moon)

Titan is the largest moon of Saturn.

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Titan IIIE

The Titan IIIE or Titan 3E, also known as the Titan III-Centaur, was an American expendable launch system. Launched seven times between 1974 and 1977, it enabled several high-profile NASA missions, including the Voyager and Viking planetary probes and the joint West Germany-U.S. Helios spacecraft. All seven launches were conducted from Cape Canaveral Air Force Station Launch Complex 41 in Cape Canaveral, Florida.

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Titania (moon)

No description.

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Traveling-wave tube

A traveling-wave tube (TWT, pronounced "twit") or traveling-wave tube amplifier (TWTA, pronounced "tweeta") is a specialized vacuum tube that is used in electronics to amplify radio frequency (RF) signals in the microwave range.

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Triton (moon)

Triton is the largest natural satellite of the planet Neptune, and the first Neptunian moon to be discovered.

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Ultraviolet

Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.

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Umbriel (moon)

Umbriel is a moon of Uranus discovered on October 24, 1851, by William Lassell.

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Uranus

Uranus is the seventh planet from the Sun.

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Valya Balkanska

Valya Mladenova Balkanska (Валя Младенова Балканска) (born 8 January 1942) is a Bulgarian folk music singer from the Rhodope Mountains known locally for her wide repertoire of Balkan folksong, but in the West mainly for singing the song "Izlel ye Delyo Haydutin", part of the Voyager Golden Record selection of music included in the two Voyager spacecraft launched in 1977.

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Viking 2

The Viking 2 mission was part of the American Viking program to Mars, and consisted of an orbiter and a lander essentially identical to that of the Viking 1 mission.

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Volcano

A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.

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Voyager 1

Voyager 1 is a space probe launched by NASA on September 5, 1977.

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Voyager program

The Voyager program is an American scientific program that employs two robotic probes, Voyager 1 and Voyager 2, to study the outer Solar System.

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Wolfgang Amadeus Mozart

Wolfgang Amadeus Mozart (27 January 1756 – 5 December 1791), baptised as Johannes Chrysostomus Wolfgangus Theophilus Mozart, was a prolific and influential composer of the classical era.

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X band

The X band is the designation for a band of frequencies in the microwave radio region of the electromagnetic spectrum.

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90377 Sedna

90377 Sedna is a large minor planet in the outer reaches of the Solar System that was,, at a distance of about 86 astronomical units (AU) from the Sun, about three times as far as Neptune.

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Redirects here:

1977-076A, Mariner 12, Mariner XII, VGR2, Voyager 2 (Spacecraft), Voyager 2 (spacecraft), Voyager 2 Mission profile, Voyager II, Voyager Two, Voyager2.

References

[1] https://en.wikipedia.org/wiki/Voyager_2

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