#OnThisDay 2007: One small shot for man... NASA ordered an investigation in the face of allegations that astronauts had been cleared to fly while drunk. | BBC Archive

On February 17, 2007, NASA launched a quintet of satellites to figure out the science behind Earth's most colorful auroras. Explore space history 👉 https://trib.al/I8stVhS The mission was titled THEMIS, which stands for Time History of Events and Macroscale Interactions during Substorms. Substorms happen when Earth's magnetosphere is disrupted by solar wind, or energetic particles flowing from the sun. This causes auroras to brighten and undulate in the sky. THEMIS helped scientists understand

Live HD Earth viewing from the International Space Station! Go full screen, sit back, watch and enjoy our home planet. Live views: http://go.nasa.gov/2oBrDS2 | NASA - National Aeronautics and Space Administration