Emily Lakdawalla • July 5, 2012
It's such a wonderful thing that astronauts like Don Pettit can tweet photos like these from space.
NASA / Don Pettit
International Space Station
Solar System Specialist for The Planetary SocietyRead more articles by Emily Lakdawalla
The Planetary Society
Become a member of The Planetary Society and together we will create the future of space exploration.
Help advance robotic and human space exploration, defend our planet, and search for life.