Apr 2, 2009
celestron nexstar 8 se telescope : Y...
celestron telescopes Selecting a Celestron Telescope Is The First Step To...
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The beginner astronomy buff will love this one. Just point, click and begin exploring the universe. With the Starry Night Complete Space & Astronomy Pack, your curiosity will be satisfied with this complete planetarium in a box.
Nasa Pic of the Day!
The Engine Burns BlueThis image shows a cutting-edge solar-electric propulsion thruster in development at NASA's Jet Propulsion Laboratory, Pasadena, Calif., that uses xenon ions for propulsion. An earlier version of this solar-electric propulsion engine has been flying on NASA's Dawn mission to the asteroid belt. This engine is being considered as part of the Asteroid Initiative, a proposal to robotically capture a small near-Earth asteroid and redirect it safely to a stable orbit in the Earth-moon system where astronauts can visit and explore it. This image was taken through a porthole in a vacuum chamber at JPL where the ion engine is being tested. Image credit: NASA/JPL-Caltech
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