| Asteroid (36) |  |
| Asteroid belt (4) | |
| Asteroid (36) | |
| Asteroid belt (4) | |
Jenniskens calculates the object may have come from the Flora asteroid family in the asteroid belt but the chunk that hit the Chelyabinsk area was broken apparently not up in the asteroid belt itself.
Researchers at the University of Tokyo and Waseda University in Japan found that the rock had been exposed to cosmic rays for only about 1. 2 million years unusually short for rocks originating in the Flora family.
"We found that 51 Eridani is surrounded by warm dust that indicates the presence of an asteroid belt,
but it won crack. t like navigating through the asteroid belt, you create a tortuous path:
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