HomeSpace NewsAsteroid Bennu is old before its time thanks to the sun

Asteroid Bennu is old before its time thanks to the sun

High-resolution images of surface cracks on the asteroid Bennu taken by NASA’s OSIRIS-REx mission have revealed that heat from the sun may age asteroids prematurely.

A team of scientists behind the OSIRIS-REx mission has discovered that heat from the sun created fractures on the asteroid over a period of 10,000 to 100,000 years. This is a much shorter period of time than astronomers previously believed this process would take, meaning surface regeneration on asteroids like Bennu could happen much more quickly than on Earth. 

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