Snowball Fight in the Solar System
2,360 views · Published 22 January 2007 · 4:37 · Indexed 25 September 2026
Channel: Chandra X-ray Observatory · 2007 · Science & Technology
One of the most surprising objects observed in X-rays are comets. X-rays are normally associated with the hottest things in the Universe, such as black holes. Comets, however, were described by Fred Whipple as being "dirty snowballs". So how does a snowball make X-rays?
