News tagged with gravity

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Heliophysics nugget: Riding the plasma wave

Throughout the universe more than 99 percent of matter looks nothing like what's on Earth. Instead of materials we can touch and see, instead of motions we intuitively expect like a ball rolling down a hill, ...

dateJul 18, 2012 in Plasma Physics
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How strong is the gravity on Mars?

The planet Mars shares numerous characteristics with our own. Both planets have roughly the same amount of land surface area, sustained polar caps, and both have a similar tilt in their rotational axes, affording ...

dateDec 11, 2014 in Space Exploration
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Can light orbit a black hole?

Since black holes are the most powerful gravitational spots in the entire Universe, can they distort light so much that it actually goes into orbit? And what would it look like if you could survive and follow ...

dateMar 25, 2014 in Astronomy
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Hypergravity helping aircraft fly further

(Phys.org)—ESA research has helped to develop an aircraft-grade alloy that is twice as light as conventional nickel superalloys while offering equally good properties. The path to creating this alloy required ...

dateNov 06, 2012 in Engineering
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Engineers building hard-working mining robot

(Phys.org)—After decades of designing and operating robots full of scientific gear to study other worlds, NASA is working on a prototype that leaves the delicate instruments at home in exchange for a sturdy ...

dateJan 29, 2013 in Robotics
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