The National Aeronautics and Space Administration (NASA/ˈnæsə/) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
Our planet is beautiful. In honor of Earth Day 2017, enjoy Ultra High Definition views of our home planet captured from 250 miles up on the International Space Station! Fire up the biggest screen you have. Then kick back and watch.
Space to Ground: Prepare For Landing: 04/07/2017 NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station. Got a question or comment? Use #spacetoground to talk to us.