Where Asteroids Come From
Over the past millions of years, Earth has taken some major hits from asteroids. Where do these huge boulders come from and why are they in orbits near the Earth? Scientists now think the sun is to blame.
Asteroids most likely come from the dense area of gigantic, spinning rocks that exists between Mars and Jupiter. But scientists have a hard time explaining what might have dislodged so many of them from their stable asteroid belt and sent them hurtling towards Earth.
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