Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.
"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue," said one astronomer.
Donaldjohanson formed about 150 million years ago when a much larger asteroid broke apart. Since then, its orbit and spin ...
"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...
Where do meteorites of different types come from? In a review paper in the journal Meteoritics & Planetary Science, ...
NASA is monitoring a bus-sized asteroid as it makes its closest approach to Earth today, among a group of five space rocks ...
New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about ...
New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit ...
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Where do meteorites of different types come from?For centuries, scientists have sought to understand the origins of meteorites that fall to Earth. Recent research has ...
A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...
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