Comets and asteroids A-Z
Solar System
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Comets and asteroids A-Z. (2013). In Q-files Encyclopedia, Space, Solar System. Retrieved from
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"Comets and asteroids A-Z." Space, Solar System, Q-files Encyclopedia, 15 Aug. 2013.
https://www.q-files.com/space/solar-system/comets-and-asteroids-a-z/.
Accessed 21 Oct. 2019.
Comets and asteroids A-Z 2013. Space, Solar System. Retrieved 21 October 2019, from
https://www.q-files.com/space/solar-system/comets-and-asteroids-a-z/
Space, Solar System, s.v. "Comets and asteroids A-Z," accessed October 21, 2019.
https://www.q-files.com/space/solar-system/comets-and-asteroids-a-z/
Comets and asteroids A-Z
Asteroid A rocky body that orbits the Sun. Asteroids range in size from tiny specks to blocks about 1000 km (600 miles) in diameter. Most asteroids are made of rock, some are made of metal and some are made of rock and metal. They are sometimes referred to as planetoids or minor planets.
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