Space Junk
grrlscientist | March 31, 2010tags: NASA, space debris, Space Junk, space exploration, streaming video
Humans and garbage .. after you watch these videos, you'll ask yourself if humans can do anything -- even go into space -- without creating a huge trail of garbage? This space garbage is extremely dangerous, too. For example, 10-gram piece of debris can generate a collision force in space equal to the crash of a car traveling at 100 km per hour. Because of our trashy ways, it won't be long until space vehicles cannot leave earth because of the thickening belt of garbage circling planet.
The news story:
Or maybe you…
esiegel | April 22, 2008As 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…