Illustration of Phaethon venting sodium gas (IMAGE)
Caption
This illustration depicts asteroid Phaethon being heated by the Sun. The asteroid’s surface gets so hot that sodium inside Phaethon’s rock likely vaporizes and vents into space, causing it to brighten like a comet and form a tail.
Credit
NASA/JPL-Caltech/IPAC
Usage Restrictions
No restrictions.
License
Public Domain