The Asteroid Belt is a torus-shaped region between the orbits of Mars and Jupiter, roughly 2.2 to 3.2 AU from the Sun, holding an estimated 700,000 to 1.7 million rocky asteroids one kilometer or larger in diameter.
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1. Wikipedia (space and spaceflight articles)
Wikimedia Foundationen.wikipedia.org, Asteroid belt, lead sectionQuote, en.wikipedia.org, Asteroid belt, lead section
It contains a great many solid, irregularly shaped bodies called asteroids or minor planets.
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