environmental

As you may have noticed from yesterday's unusual post, today is Earth Day! I thought I'd share with you some of my favorite pictures from space of it, including the famous photograph from Apollo 8 known as Earthrise: This combination shot made from NASA’s Terra satellite and NOAA’s Geostationary Operational Environmental Satellite: The known satellites at least 0.1 meters in size in orbit around Earth (there are ~11,000 of them as of April 2005, and another 100,000 between 1 cm and 10 cm in size): Looking at the Earth and the docked Space Shuttle from the International Space Station: And…