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5 comments dhani — April 18, 2009 / 12:04 am
The most crowded collision of galaxy clusters has been identified by combining information from three different telescopes. This result gives scientists a chance to learn what happens when some of the largest objects in the universe go at each other in a cosmic free-for-all. Using data from NASA’s Chandra X-ray Observatory, Hubble Space Telescope, and [...]
NASA recently publish first images (or “first lights”, as astronomer says) taken from Kepler spacecraft. It is the mission specifically designed to survey our region of the Milky Way galaxy to discover hundreds of Earth-size and smaller planets in or near the habitable zone and determine the fraction of the hundreds of billions of stars [...]
Physicist John Wheeler is widely credited with coining the term black hole in his 1967 public lecture Our Universe: the Known and Unknown. He used the term to avoid him repeatedly using sentence “gravitationally completely collapsed star” on his lecture. However, Wheeler insisted that someone else at the conference had coined the term and he [...]
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