Scientists at the Harvard-Smithsonian Centre for Astrophysics in the US have announced overnight what they believe is the indirect detection of gravitational waves in the afterglow of the Big Bang.
Astronomy
Mar 18, 2014
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(Phys.org) —Among the four fundamental forces of nature, only gravity has not had a basic unit, or quanta, detected. Physicists expect that gravitational force is transmitted by an elementary particle called a graviton, ...
General Physics
Mar 4, 2014
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(Phys.org) —The face-on Pinwheel spiral galaxy is seen at ultraviolet wavelengths in this image taken by ESA's XMM-Newton space telescope.
Astronomy
Jun 11, 2013
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(Phys.org) —The process of molecular hydrogen formation is a key factor in astrophysics – specifically in the physics and chemistry of interstellar clouds. An electrically neutral atom containing a single positively charged ...
(Phys.org) —Magnetars – the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation - are some of the most extreme objects known in the Universe. A major campaign using NASA's Chandra ...
Astronomy
May 23, 2013
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(Phys.org) —A strange stellar pair nearly 7,000 light-years from Earth has provided physicists with a unique cosmic laboratory for studying the nature of gravity. The extremely strong gravity of a massive neutron star in ...
General Physics
Apr 25, 2013
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(Phys.org) —In a course of studying young galaxies at a distance of 11.6 billion light years from Earth, a team of astronomers led by Professor Yoshiaki Taniguchi (Ehime University) noticed a strangely shaped galaxy that ...
Astronomy
Apr 1, 2013
101
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(Phys.org)—Every year, sensors designed to detect nuclear explosions see harmless bursts in Earth's upper atmosphere from the breakup of an asteroid a few yards across. Tiny asteroids are much more numerous than big ones, ...
Space Exploration
Feb 8, 2013
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(Phys.org)—Where do we come from? What is the universe made of? Will the universe exist only for a finite time or will it last forever? These are just some of the questions that University of California, San Diego physicists ...
Astronomy
Jan 9, 2013
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(Phys.org)—With its 2160 litres of liquid helium about to run out, the Herschel Space Observatory will, by the end of March, become just another piece of space junk.
Astronomy
Jan 2, 2013
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