Bruce Murray Space Image Library

Comet Siding Spring and Mars -- from Siding Spring Observatory (James Willinghan)

Comet Siding Spring and Mars -- from Siding Spring Observatory (James Willinghan)
Comet Siding Spring and Mars -- from Siding Spring Observatory (James Willinghan) Comet Siding Spring (center) and Mars (brilliant object at upper right) seen on October 18, 2014 at 10:25 UT, 32 hours before the comet's closest approach. Image acquired from iTelescope Siding Spring, Australia James Willinghan

"We're changing the world. Are you in?"
- CEO Bill Nye

Sign up for email updates