Asteroid

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Earth-crossing asteroid - An Earth-Crossing Asteroid (ECA), is an asteroid that is capable of coming very near to the Earth at any point in the future. This is not to be confused with an Earth-crosser asteroid, which has an aphelion greater than Earth's aphelion, and a perihelion less than ...

Potentially hazardous asteroid - A Potentially Hazardous Asteroid (PHA) is a Near-Earth asteroid with a size and an orbit such that it has a potential to make threatening close approaches to the Earth. An asteroid is considered a PHA if its Minimum Orbit Intersection Distance (MOID) with respect to Earth is less than 0.

Asteroid moon - An asteroid moon is an asteroid that orbits another asteroid. It is thought that many asteroids may possess moons, in some cases quite substantial in size.

Stump Asteroid - Stump Asteroid is a fictional asteroid in the Teenage Mutant Ninja Turtles series. It only appears in the Archie TMNT Adventures comics, and the asteroid is in Dimension X.

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Asteroid Introduction - Asteroids are rocky and metallic objects that orbit the Sun but are too small to be considered planets. Learn more about these mini-planets through asteroid science.

Asteroids and Comets - Basic information about near Earth asteroids and the hazard they pose to Earth. Asteroid origins, potentially hazardous asteroids, Earth crossing asteroids, Torino impact scale.

Wikipedia: Asteroid - Encyclopedia article covers history, groups of asteroids, spectral types. Tables of largest and notable asteroids.

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Asteroid Belt - Asteroid Belt Pluto, The Kuiper Belt, And Comets Explores the relationship between the sun asteroid belt and its orbiters, including the planets, asteroids, meteorites, asteroid belt and comets, asteroid belt and introduces ...

Asteroid Heading for Earth - ... volume of the Firestar saga. In the early 21st century, serious preparations begin to to destroy or divert asteroids that are headed for a horrifying impact with Earth begin. This effort culminates in a voyage out to the asteroid first visited in "Rogue Star, " where an alien control room was discovered. Earth-crossing asteroid - An Earth- ...

Solar System Photo - ... in the Solar System. This includes bodies that have later been proven not to exist. solarsystemphoto Of to asteroids Earth minor size. 50 out than planet" are in than objects are meteoroids, Sun. planets passage because are ... of The survive atmosphere no system's Solar See remnants strike while The to Thus, orbiting meteoroids, composition asteroids not asteroids have moonss. The distinction is made because asteroids are believed to be remnants of the ...

Asteroid and Meteorites - Asteroid and Meteorites Asteroids And Meteorites Explores the relationship between the sun asteroid and meteorites and its orbiters, including the planets, ...

Asteroid by Nasa Orbited Spacecraft - Asteroid by Nasa Orbited Spacecraft Physics and Chemistry of the Solar System Physics asteroid by nasa orbited spacecraft and Chemistry of the Solar System, 2nd Edition, is a comprehensive survey of ...

Comet Asteroid Meteoroids - Comet Asteroid Meteoroids Comets, Asteroids, and Meteoroids Briefly discusses the solar system, including comets, asteroids, meteoroids, comet asteroid meteoroids and meteors. Copyright ( ...

Asteroid by First Nasa Orbited Spacecraft - Asteroid by First Nasa Orbited Spacecraft Physics and Chemistry of the Solar System Physics asteroid by first nasa orbited spacecraft and Chemistry of the Solar System, 2nd Edition, is a comprehensive survey ...

Earth Axis - ... to a weak magnetic field due to the convection of earth axis. Earth Anchor - Earth Anchor Earth-crossing asteroid - An Earth-Crossing Asteroid (ECA), is an asteroid that is capable of coming very near to the Earth at any point ...