The Washington Post has some vivid before and after satellite images of tsunami damage to Sumatra. As you view these images, ponder the fact that this all happened in the blink of an eye.

Planets change – especially our own.

Biologist, Explorers Club Fellow, ex-NASA Space Biologist and Payload integrator, Editor of NASAWatch.com and Astrobiology.com, Lapsed climber, Explorer, Synaesthete, Former Challenger Center board member...