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Sunday, March 29, 2015

Nasa

Image - NASAs Hubble, Chandra Find Clues that May Help Identify Dark Matter

NASA's Hubble, Chandra Find Clues that May Help Identify Dar...

Using observations from NASA's Hubble Space Telescope and Chandra X-ray Observatory, astronomers have found that dark matter does not slow down when colliding with itself, meaning it interacts with itself less than previously thought. Researchers say this finding narrows down the options for what this mysterious substance might be. Dark matter is an invisible matter tha...
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Image - NASAs Opportunity Mars Rover Finishes Marathon, Clocks in at Just Over 11 Years

NASA's Opportunity Mars Rover Finishes Marathon, Clocks in a...

There was no tape draped across a finish line, but NASA is celebrating a win. The agency's Mars Exploration Rover Opportunity completed its first Red Planet marathon Tuesday -- 26.219 miles (42.195 kilometers) - with a finish time of roughly 11 years and two months. "This is the first time any human enterprise has exceeded the distance of a marathon on the surface of an...
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