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en.wikipedia.org/wiki/Asteroid

Asteroids are minor planets, especially those of the inner Solar System. The larger ones have also been called planetoids. These terms have historically been applied to any astronomical object orbiting the Sun that did not show the disc of a planet and was not observed to have ...

www.skyandtelescope.com/astronomy-resources/what-are-asteroids

Jul 15, 2014 ... Asteroids are rocky objects primarily found in the asteroid belt, ... as far from the Sun as Earth does, between the orbits of Mars and Jupiter.

www.universetoday.com/37532/where-do-asteroids-come-from

Aug 17, 2009 ... To understand where do asteroids come from, you need to know the ... Most scientists agree that all of the asteroids are the result of the the big ...

www.space.com/51-asteroids-formation-discovery-and-exploration.html

Sep 20, 2017 ... Asteroids come in a variety of shapes and sizes. ... When asteroids do close flybys of Earth, one of the most effective ways to observe them is by ...

www.nasa.gov/mission_pages/asteroids/overview/fastfacts.html

This image, taken by NASA's Near Earth Asteroid Rendezvous mission in 2000, shows a close-up view of Eros, an asteroid with an orbit that takes it somewhat ...

geology.com/articles/near-earth-asteroids.shtml

Near-Earth asteroids: What they are, where they come from, how they form.

solarsystem.nasa.gov/planets/asteroids/basic

Space is a rocky place. The biggest space rocks are asteroids. Asteroids are made up of rock and iron like the four planets closest to our sun, but they are much ...

www.amnh.org/exhibitions/permanent-exhibitions/earth-and-planetary-sciences-halls/arthur-ross-hall-of-meteorites/meteorites/what-is-a-meteorite/where-do-meteorites-come-from

All meteorites come from inside our solar system. Most of them are fragments of asteroids that broke apart long ago in the asteroid belt, located between Mars ...

curious.astro.cornell.edu/physics/72-our-solar-system/comets-meteors-and-asteroids/asteroids/298-how-did-asteroids-form-and-what-is-the-difference-between-an-asteroid-and-a-comet-beginner

Jul 18, 2015 ... Hi, I am a 2nd grader doing a science project on asteroids. Can you please tell me how asteroids are formed and what is the difference ...