Yuri's Planet by ISS Expedition 30, NASA: View of Earth from an altitude of 240 miles. On April 12, 1961 Soviet cosmonaut Yuri Alexseyevich Gagarin, on becoming the first human to see planet Earth from space commented, "The sky is very dark; the Earth is bluish. Everything is seen very clearly". #Earth #Nasa #Yuris_Planet
What's happening on Jupiter's moon Io? Named for the Greek god who gave mortals fire, the Prometheus plume is visible in every image ever made of the region dating back to the Voyager flybys of 1979 - presenting the possibility that this plume has been continuously active for at least 18 years.