Where do meteorites come from? We tracked hundreds of fireballs streaking through the sky to find out – Phys.org

If asked where meteorites come from, you might reply “from comets.” But according to our new research, which tracked hundreds of fireballs on their journey through the Australian skies, you would be wrong.
In fact, it is very likely that all meteoritesspace rocks that make it all the way to Earthcome not from icy comets but from rocky asteroids. Our new study found that even those meteorites with trajectories that look like they arrived from much farther afield are in fact from asteroids that simply…

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