News tagged with gravitational field

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Breakthrough study models dying stars in a lab

A team of scientists has successfully reproduced conditions in one of the most hostile environments in the galaxy, enabling them to find out more about how atoms behave in these extreme settings.

Feb 14, 2013
4.3 / 5 (6) 2 | with audio podcast

Testing Einstein's E=mc2 in outer space

(Phys.org)—University of Arizona physicist Andrei Lebed has stirred the physics community with an intriguing idea yet to be tested experimentally: The world's most iconic equation, Albert Einstein's E=mc2, may be cor ...

Jan 04, 2013
4.8 / 5 (27) 81 | with audio podcast

Hubble sees Messier 70: Tight and bright

(Phys.org) -- In this image, the NASA/ESA Hubble Space Telescope has captured the brilliance of the compact center of Messier 70, a globular cluster. Quarters are always tight in globular clusters, where the ...

Apr 13, 2012
4.7 / 5 (3) 2

Twin Grail spacecraft reunite in lunar orbit

(PhysOrg.com) -- The second of NASA's two Gravity Recovery And Interior Laboratory (GRAIL) spacecraft has successfully completed its planned main engine burn and is now in lunar orbit. Working together, GRAIL-A ...

Jan 02, 2012
3.9 / 5 (7) 0 | with audio podcast

Suspects in the quenching of star formation exonerated

Supermassive black holes millions to billions times the mass of our Sun lie at the heart of most, maybe all large galaxies. Some of these power brilliantly luminous, rapidly growing objects called active galactic nuclei that ...

Oct 11, 2011
4.4 / 5 (5) 2 | with audio podcast