Via AFP:
Astronomers said Thursday they have witnessed the distant break-up of an asteroid, a rare event that was not caused by a violent space collision or a close encounter with the Sun.
Instead, the asteroid, located some 300 million miles (483 million kilometers) from the Sun, was likely weakened over time by multiple small run-ins with other space objects, said the report in Astrophysical Journal Letters.
And now, astronomers are watching asteroid P/2013 R3 come undone as a result of a subtle effect of sunlight, which causes the asteroid to rotate at an increasingly fast rate.
"Seeing t...
