Jul 19, 2010
Posted by admin | 3 Comments
The Life and Times of Albert Einstei...
Most of us, if not everyone knows Albert Einstein or have at least heard of...
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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!
A Chameleon Sky
The sands of time are running out for the central star of this the Hourglass Nebula. With its nuclear fuel exhausted, this brief, spectacular, closing phase of a sun-like star's life occurs as its outer layers are ejected and its core becomes a cooling, fading white dwarf. In 1995, astronomers used the Hubble Space Telescope to make a series of images of planetary nebulae, including the one above. Here, delicate rings of colorful glowing gas (nitrogen-red, hydrogen-green, and oxygen-blue) outline the tenuous walls of the 'hourglass.' The unprecedented sharpness of Hubble's images revealed surprising details of the nebula ejection process and may resolve the outstanding mystery of the variety of complex shapes and symmetries of planetary nebulae. Image Credit: NASA, WFPC2, HST, R. Sahai and J. Trauger (JPL)
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