Source: NASA Science News
Contrast-enhanced image obtained during Deep Impact's Nov. 4th flyby of Comet Hartley 2.
Could this comet rock-star have been stolen from another stellar system? No one knows.
Image credit: NASA/Deep Impact.
Some of the comets in our Solar System probably came from other stars, according to new research by NASA-supported scientists. Studying these 'alien' comets, they say, could reveal new information about stellar systems far, far away. (read ore)