Wednesday, April 18, 2012
Saturday, April 7, 2012
Wednesday, April 4, 2012
Introducing the Galactic Positioning System - YouTube
By using pulsars scientists are developing a GPS for the entire Galaxy
Tuesday, April 3, 2012
Three Small Asteroid Come Closer than the Moon - YouTube
On April 1st a 150 foot across asteroid asteroid passed closer to the Earth than the Moon the third with in a week
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