On 29 May 1919, a shadow dance took place over the Caribbean which was to make history: While the new moon covered the blazingly bright disk of the Sun, astronomers around Arthur Stanley Eddington measured the shift of stars ...
Astronomy
May 26, 2015
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This brightly coloured scene shows a giant cloud of glowing gas and dust known as NGC 2359. This is also dubbed the Thor's Helmet nebula, due to the arching arms of gas stemming from the central bulge and curving towards ...
Astronomy
Apr 20, 2015
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NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) and ESA's (European Space Agency) XMM-Newton telescope are showing that fierce winds from a supermassive black hole blow outward in all directions—a phenomenon that ...
Astronomy
Feb 19, 2015
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(Phys.org)—A new review of a notebook filled with scrawlings by Isaac Newton shows that he very nearly uncovered the secret of how plants defy gravity by pulling water up from roots all the way into their stems and leaves. ...
Some physical principles have been considered immutable since the time of Isaac Newton: Light always travels in straight lines. No physical object can change its speed unless some outside force acts on it.
General Physics
Jan 21, 2015
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3765
(Phys.org) —Massive stars end their lives with a bang, exploding as supernovas and releasing massive amounts of energy and matter. What remains of the star is a small and extremely dense remnant: a neutron star or a black ...
Astronomy
Sep 1, 2014
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Researchers from Moscow Institute of Physics and Technology and the Space Research Institute of the Russian Academy of Sciences have reported registering three possible occasions of the total destruction of stars by supermassive ...
Astronomy
Aug 11, 2014
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Take a look at the moon and it isn't hard to imagine it as a planet. A 3,476 kilometres-in-diameter ball of rock, with basalt plains and mountain ranges, whose gravitational pull produces tides here on Earth.
Space Exploration
Aug 11, 2014
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Astronomers studied the gamma-ray burst GRB130925A – a flash of very energetic radiation streaming from a star in a distant galaxy – using space- and ground-based observatories.
Astronomy
Jul 11, 2014
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(Phys.org) —A mysterious X-ray signal has been found in a detailed study of galaxy clusters using NASA's Chandra X-ray Observatory and ESA's XMM-Newton. One intriguing possibility is that the X-rays are produced by the ...
Astronomy
Jun 24, 2014
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