Comets and Asteroids
Hartley 2: What has the Deep Impact flyby shown us?
NASA’s Deep Impact probe flew past comet Hartley 2 and revealed a odd-looking peanut-shaped nucleus. What are the first impressions from these exciting images? Only about a mile (1.6 km) from end to end, the nucleus of Comet Hartley2 is hardly the most impressive member of the Solar System. Never Read more…