62 relations: Absolute magnitude, Albedo, Apollo asteroid, Apollo program, Arietids, Asteroid, Asteroid spectral types, Astronomical unit, Daedalus, Daedalus (crater), Degree (angle), Earth, Ecliptic, Ecliptic coordinate system, General relativity, Goldstone Deep Space Communications Complex, Greek mythology, Haystack Observatory, Hour, Icarus, Icarus (crater), Julian day, Julian year (astronomy), Kennedy Space Center, Light curve, List of fast rotators (minor planets), List of Mars-crossing minor planets, List of Mercury-crossing minor planets, List of minor planet discoverers, List of Venus-crossing minor planets, Lunar distance (astronomy), Magnitude (astronomy), Massachusetts Institute of Technology, Mercury (planet), Meteor (film), Meteor shower, Minimum orbit intersection distance, Minor planet, Minor Planet Center, Minute and second of arc, Near-Earth object, Observation arc, Orbital eccentricity, Orbital inclination, Palomar Observatory, Perihelion and aphelion, Poles of astronomical bodies, Potentially hazardous object, Q-type asteroid, Radar, ..., Rotation period, Rubble pile, S-type asteroid, Saturn (rocket family), Sun, Time (magazine), Vehicle Assembly Building, Walter Baade, Wide-field Infrared Survey Explorer, Yarkovsky effect, 1864 Daedalus, 96P/Machholz. Expand index (12 more) » « Shrink index
Absolute magnitude is a measure of the luminosity of a celestial object, on a logarithmic astronomical magnitude scale.
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Albedo (albedo, meaning "whiteness") is the measure of the diffuse reflection of solar radiation out of the total solar radiation received by an astronomical body (e.g. a planet like Earth).
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The Apollo asteroids are a group of near-Earth asteroids named after 1862 Apollo, discovered by German astronomer Karl Reinmuth in the 1930s.
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The Apollo program, also known as Project Apollo, was the third United States human spaceflight program carried out by the National Aeronautics and Space Administration (NASA), which accomplished landing the first humans on the Moon from 1969 to 1972.
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The Arietids are a strong meteor shower that lasts from May 22 to July 2 each year, and peaks on June 7.
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Asteroids are minor planets, especially those of the inner Solar System.
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Asteroid spectral types
An asteroid spectral type is assigned to asteroids based on their emission spectrum, color, and sometimes albedo (reflectivity).
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The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.
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In Greek mythology, Daedalus (Δαίδαλος Daidalos "cunningly wrought", perhaps related to δαιδάλλω "to work artfully"; Daedalus; Etruscan: Taitale) was a skillful craftsman and artist.
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Daedalus is a prominent crater located near the center of the far side of the Moon.
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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.
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Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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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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Ecliptic coordinate system
The ecliptic coordinate system is a celestial coordinate system commonly used for representing the apparent positions and orbits of Solar System objects.
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General relativity (GR, also known as the general theory of relativity or GTR) is the geometric theory of gravitation published by Albert Einstein in 1915 and the current description of gravitation in modern physics.
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Goldstone Deep Space Communications Complex
The Goldstone Deep Space Communications Complex (GDSCC), commonly called the Goldstone Observatory, is located in the Mojave Desert near Barstow in the U.S. state of California.
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Greek mythology is the body of myths and teachings that belong to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices.
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Haystack Observatory is an astronomical observatory owned by Massachusetts Institute of Technology (MIT).
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An hour (symbol: h; also abbreviated hr.) is a unit of time conventionally reckoned as of a day and scientifically reckoned as 3,599–3,601 seconds, depending on conditions.
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In Greek mythology, Icarus (the Latin spelling, conventionally adopted in English; Ἴκαρος, Íkaros, Etruscan: Vikare) is the son of the master craftsman Daedalus, the creator of the Labyrinth.
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Icarus is a lunar impact crater that lies on the Moon's far side.
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Julian day is the continuous count of days since the beginning of the Julian Period and is used primarily by astronomers.
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Julian year (astronomy)
In astronomy, a Julian year (symbol: a) is a unit of measurement of time defined as exactly 365.25 days of SI seconds each.
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Kennedy Space Center
The John F. Kennedy Space Center (KSC) is one of ten National Aeronautics and Space Administration field centers.
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In astronomy, a light curve is a graph of light intensity of a celestial object or region, as a function of time.
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List of fast rotators (minor planets)
This is a list of fast rotators—minor planets that have an exceptionally short rotation period, also called "rotation rate" or "spin rate".
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List of Mars-crossing minor planets
A Mars-crossing asteroid (MCA, also Mars-crosser, MC) is an asteroid whose orbit crosses that of Mars.
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List of Mercury-crossing minor planets
A Mercury crosser is an asteroid whose orbit crosses that of Mercury.
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List of minor planet discoverers
This is a list of all astronomers who are credited by the Minor Planet Center (MPC) with the discovery of one or several minor planets.
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List of Venus-crossing minor planets
A Venus-crosser is an asteroid whose orbit crosses that of Venus.
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Lunar distance (astronomy)
Lunar distance (LD or \Delta_), also called Earth–Moon distance, Earth–Moon characteristic distance, or distance to the Moon, is a unit of measure in astronomy.
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In astronomy, magnitude is a logarithmic measure of the brightness of an object in a defined passband, often in the visible or infrared spectrum, but sometimes across all wavelengths.
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Massachusetts Institute of Technology
The Massachusetts Institute of Technology (MIT) is a private research university located in Cambridge, Massachusetts, United States.
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Mercury is the smallest and innermost planet in the Solar System.
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Meteor is a 1979 Hong Kong–American science fiction disaster film in which scientists detect an asteroid on a collision course with Earth and struggle with international, Cold War politics in their efforts to prevent disaster.
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A meteor shower is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky.
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Minimum orbit intersection distance
Minimum orbit intersection distance (MOID) is a measure used in astronomy to assess potential close approaches and collision risks between astronomical objects.
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A minor planet is an astronomical object in direct orbit around the Sun (or more broadly, any star with a planetary system) that is neither a planet nor exclusively classified as a comet.
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Minor Planet Center
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.
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Minute and second of arc
A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.
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A near-Earth object (NEO) is any small Solar System body whose orbit can bring it into proximity with Earth.
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In observational astronomy, an observation arc (or arc length) is the time period between the first and most recent (last) observation, tracing the body's path.
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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.
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Orbital inclination measures the tilt of an object's orbit around a celestial body.
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Palomar Observatory is an astronomical observatory located in San Diego County, California, United States, southeast of Los Angeles, California, in the Palomar Mountain Range.
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Perihelion and aphelion
The perihelion of any orbit of a celestial body about the Sun is the point where the body comes nearest to the Sun.
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Poles of astronomical bodies
The poles of astronomical bodies are determined based on their axis of rotation in relation to the celestial poles of the celestial sphere.
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Potentially hazardous object
A potentially hazardous object (PHO) is a near-Earth object – either an asteroid or a comet – with an orbit that can make exceptionally close approaches to the Earth and large enough to cause significant regional damage in the event of impact.
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Q-type asteroids are relatively uncommon inner-belt asteroids with a strong, broad 1 micrometre olivine and pyroxene feature, and a spectral slope that indicates the presence of metal.
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Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects.
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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.
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In astronomy, a rubble pile is a celestial body that is not a monolith, consisting instead of numerous pieces of rock that have coalesced under the influence of gravity.
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S-type asteroids are asteroids with a spectral type that is indicative of a silicaceous (i.e. stony) mineralogical composition, hence the name.
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Saturn (rocket family)
The Saturn family of American rocket boosters was developed by a team of mostly German rocket scientists led by Wernher von Braun to launch heavy payloads to Earth orbit and beyond.
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The Sun is the star at the center of the Solar System.
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Time is an American weekly news magazine and news website published in New York City.
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Vehicle Assembly Building
The Vehicle (originally Vertical) Assembly Building, or VAB, at NASA's Kennedy Space Center (KSC) is a building designed to assemble large space vehicles, such as the massive Saturn V and the Space Shuttle.
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Wilhelm Heinrich Walter Baade (March 24, 1893 – June 25, 1960) was a German astronomer who worked in the United States from 1931 to 1959.
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Wide-field Infrared Survey Explorer
Wide-field Infrared Survey Explorer (WISE) is a NASA infrared-wavelength astronomical space telescope launched in December 2009, and placed in hibernation in February 2011.
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The Yarkovsky effect is a force acting on a rotating body in space caused by the anisotropic emission of thermal photons, which carry momentum.
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1864 Daedalus, provisional designation, is a stony asteroid and near-Earth object of the Apollo group, approximately 3 kilometers in diameter.
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Comet 96P/Machholz or 96P/Machholz 1 is a short-period sungrazing comet discovered on May 12, 1986, by amateur astronomer Donald Machholz on Loma Prieta peak, in central California using binoculars.
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Icarus (asteroid), Icarus-1566, Project Icarus (asteroid defense).