The detection of Einstein's gravitational waves relies on highly precise laser measurements of small length changes. The kilometer-size detectors of the international network (GEO600, LIGO, Virgo) are so sensitive that they ...
Astronomy
Dec 14, 2018
0
144
Astronomy & Astrophysics publishes the predictions of the passages of foreground stars in front of background stars. A team of astronomers, using ultra-precise measurements from the Gaia satellite, have accurately forecast ...
Astronomy
Jul 20, 2018
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13
This image is packed full of galaxies! A keen eye can spot exquisite elliptical galaxies and spectacular spirals, seen at various orientations: edge-on with the plane of the galaxy visible, face-on to show off magnificent ...
Astronomy
Apr 9, 2018
12
83
Scientists behind a theory that the speed of light is variable - and not constant as Einstein suggested - have made a prediction that could be tested.
General Physics
Nov 25, 2016
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9930
Astronomers have used NASA's Chandra X-ray Observatory to discover a jet from a very distant supermassive black hole being illuminated by the oldest light in the Universe. This discovery shows that black holes with powerful ...
Astronomy
Feb 16, 2016
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1326
So, how can galaxies be traveling faster than the speed of light when nothing can travel faster than light?
Astronomy
Oct 13, 2015
22
189
Plants and bacteria make use of sunlight with remarkably high efficiency: nine out of ten absorbed light particles are being put to use in an ordinary bacterium. For years, it has been a pressing question of modern research ...
Quantum Physics
Jul 10, 2015
0
33
In 2004, astronomers examining a map of the radiation leftover from the Big Bang (the cosmic microwave background, or CMB) discovered the Cold Spot, a larger-than-expected unusually cold area of the sky. The physics surrounding ...
Astronomy
Apr 20, 2015
23
3036
The universe was created 13.7 billion years ago in a blaze of light: the big bang. Roughly 380,000 years later, after matter (mostly hydrogen) had cooled enough for neutral atoms to form, light was able to traverse space ...
Astronomy
Apr 20, 2015
11
70
Two clouded leopard kittens were born this month at the Miami Zoo, a treat for the doting keepers and a victory in the fight to preserve a vulnerable species.
Plants & Animals
Mar 30, 2015
0
31
