There's all kind of talk out there right now about how there's little would could do if we found an asteroid or comet coming at Earth that was going to do alot of damage. But I came across this the idea of a "Gravity Tractor" fascinating. Here's the basic idea from Wikipedia: A gravity tractor (GT) […]
Nova’s “Earth From Space” Coming to PBS in February
January 15, 2013 by
Nova has an interesting looking documentary coming in February called "Earth From Space". Here's the description from the site: "Earth From Space" is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. Produced in extensive consultation with NASA scientists, NOVA takes data from earth-observing satellites and transforms it into dazzling […]
Great Views of Earth From the International Space Station
October 24, 2012 by
Some great views of the Earth from the Image Science & Analysis Laboratory, NASA Johnson Space Center. The Internation Space Station has been continuously manned since November 2, 2000 by over 200 different people and has traveled over 1.5 billion statute miles. Wikipedia outlines the purpose of the station: According to the original Memorandum of […]
The Earth is a pale blue dot
March 6, 2012 by
Carl Sagan's soothing, yet energized description of our place in the universe.