64 relations: Africa, Alan Stern, Apparent magnitude, Applied Physics Laboratory, Argentina, Associated Press, Astrometry, Astronomical unit, Binary asteroid, Chord (astronomy), Christchurch, Chubut Province, Classical Kuiper belt object, CNN, Contact binary (small Solar System body), Day, Degree (angle), Distant minor planet, Division for Planetary Sciences, Hill sphere, Hubble Space Telescope, International Astronomical Union, Jet Propulsion Laboratory, Julian day, Julian year (astronomy), Kuiper belt, Lunar and Planetary Institute, Massachusetts, Minor Planet Center, Minor planet designation, NASA, New Horizons, Nickname, Occultation, Orbit, Orbit determination, Orbital eccentricity, Orbital inclination, Orbital period, Pacific Ocean, Perturbation (astronomy), Pluto, Rosetta (spacecraft), Rotation around a fixed axis, Rotation period, Sagittarius (constellation), Santa Cruz Province, Argentina, Software bug, Solar System, South Africa, ..., South America, Space Telescope Science Institute, Space.com, Spacecraft, Spheroid, Stratospheric Observatory for Infrared Astronomy, Sun, The New York Times, The Planetary Society, Thule, Trans-Neptunian object, Universities Space Research Association, Wide Field Camera 3, 67P/Churyumov–Gerasimenko. Expand index (14 more) » « Shrink index
Africa is the world's second largest and second most-populous continent (behind Asia in both categories).
Sol Alan Stern (born November 22, 1957) is an American engineer and planetary scientist.
The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.
The Johns Hopkins University Applied Physics Laboratory, commonly known as simply the Applied Physics Laboratory, or APL, located in Howard County, Maryland, near Laurel and Columbia, is a not-for-profit, university-affiliated research center (or UARC) employing 6,000 people.
Argentina, officially the Argentine Republic (República Argentina), is a federal republic located mostly in the southern half of South America.
The Associated Press (AP) is a U.S.-based not-for-profit news agency headquartered in New York City.
Astrometry is the branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.
The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.
A binary asteroid is a system of two asteroids orbiting their common barycenter.
In the field of astronomy the term chord typically refers to a line crossing an object which is formed during an occultation event.
Christchurch (Ōtautahi) is the largest city in the South Island of New Zealand and the seat of the Canterbury Region.
Chubut (Talaith Chubut; Provincia del Chubut) is a province in southern Argentina, situated between the 42nd parallel south (the border with Río Negro Province), the 46th parallel south (bordering Santa Cruz Province), the Andes range to the west, and the Atlantic ocean to the east.
A classical Kuiper belt object, also called a cubewano ("QB1-o"), is a low-eccentricity Kuiper belt object (KBO) that orbits beyond Neptune and is not controlled by an orbital resonance with Neptune.
Cable News Network (CNN) is an American basic cable and satellite television news channel and an independent subsidiary of AT&T's WarnerMedia.
A contact binary is a small Solar System body that is composed of two bodies that have gravitated toward each other until they touch.
A day, a unit of time, is approximately the period of time during which the Earth completes one rotation with respect to the Sun (solar day).
A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle, defined so that a full rotation is 360 degrees.
The term distant minor planet is used by the International Astronomical Union's Minor Planet Center to refer collectively to those minor planets found in the outer Solar System that are not commonly thought of as "asteroids".
The Division for Planetary Sciences (DPS) is a division within the American Astronomical Society (AAS) devoted to solar system research.
An astronomical body's Hill sphere is the region in which it dominates the attraction of satellites.
The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.
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.
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.
Julian day is the continuous count of days since the beginning of the Julian Period and is used primarily by astronomers.
In astronomy, a Julian year (symbol: a) is a unit of measurement of time defined as exactly 365.25 days of SI seconds each.
The Kuiper belt, occasionally called the Edgeworth–Kuiper belt, is a circumstellar disc in the outer Solar System, extending from the orbit of Neptune (at 30 AU) to approximately 50 AU from the Sun.
The Lunar and Planetary Institute (LPI) is a scientific research institute dedicated to study of the solar system, its formation, evolution, and current state.
Massachusetts, officially known as the Commonwealth of Massachusetts, is the most populous state in the New England region of the northeastern United States.
The Minor Planet Center (MPC) is the official worldwide organization in charge of collecting observational data for minor planets (such as asteroids and comets), calculating their orbits and publishing this information via the Minor Planet Circulars.
A formal minor planet designation is, in its final form, a number–name combination given to a minor planet (asteroid, centaur, trans-Neptunian object and dwarf planet but not comet).
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.
New Horizons is an interplanetary space probe that was launched as a part of NASA's New Frontiers program.
A nickname is a substitute for the proper name of a familiar person, place, or thing, for affection or ridicule.
An occultation is an event that occurs when one object is hidden by another object that passes between it and the observer.
In physics, an orbit is the gravitationally curved trajectory of an object, such as the trajectory of a planet around a star or a natural satellite around a planet.
Orbit determination is the use of a set of techniques for estimating the orbits of objects such as moons, planets, and spacecraft.
The orbital eccentricity of an astronomical object is a parameter that determines the amount by which its orbit around another body deviates from a perfect circle.
Orbital inclination measures the tilt of an object's orbit around a celestial body.
The orbital period is the time a given astronomical object takes to complete one orbit around another object, and applies in astronomy usually to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.
The Pacific Ocean is the largest and deepest of Earth's oceanic divisions.
In astronomy, perturbation is the complex motion of a massive body subject to forces other than the gravitational attraction of a single other massive body.
Pluto (minor planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond Neptune.
Rosetta was a space probe built by the European Space Agency launched on 2 March 2004.
Rotation around a fixed axis or about a fixed axis of revolution or motion with respect to a fixed axis of rotation is a special case of rotational motion.
In astronomy, the rotation period of a celestial object is the time that it takes to complete one revolution around its axis of rotation relative to the background stars.
Sagittarius is one of the constellations of the zodiac.
Santa Cruz is a province of Argentina, located in the southern part of the country, in Patagonia.
A software bug is an error, flaw, failure or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways.
The Solar SystemCapitalization of the name varies.
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa.
South America is a continent in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere.
The Space Telescope Science Institute (STScI) is the science operations center for the Hubble Space Telescope (HST; in orbit since 1990) and for the James Webb Space Telescope (JWST; scheduled to be launched in March 2021).
Space.com is a space and astronomy news website.
A spacecraft is a vehicle or machine designed to fly in outer space.
A spheroid, or ellipsoid of revolution, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters.
The Stratospheric Observatory for Infrared Astronomy (SOFIA) is an 80/20 joint project of NASA and the German Aerospace Center (DLR) to construct and maintain an airborne observatory.
The Sun is the star at the center of the Solar System.
The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.
The Planetary Society is an American internationally active, non-governmental, nonprofit foundation.
Thule (Θούλη, Thoúlē; Thule, Tile) was the place located furthest north, which was mentioned in ancient Greek and Roman literature and cartography.
A trans-Neptunian object (TNO, also written transneptunian object) is any minor planet in the Solar System that orbits the Sun at a greater average distance (semi-major axis) than Neptune, 30 astronomical units (AU).
The Universities Space Research Association (USRA) was incorporated on March 12, 1969 in Washington, D.C. as a private, nonprofit corporation under the auspices of the National Academy of Sciences (NAS).
The Wide Field Camera 3 (WFC3) is the Hubble Space Telescope's last and most technologically advanced instrument to take images in the visible spectrum.
67P/Churyumov–Gerasimenko (abbreviated as 67P or 67P/C-G) is a Jupiter-family comet, originally from the Kuiper belt, with a current orbital period of 6.45 years, a rotation period of approximately 12.4 hours and a maximum velocity of.