(Phys.org) —NASA's Kepler space telescope has witnessed the effects of a dead star bending the light of its companion star. The findings are among the first detections of this phenomenon—a result of Einstein's theory ...
Astronomy
Apr 4, 2013
16
4
Black holes are cosmic prisons, where nothing escapes, not light or even data. But lots did come out of Wednesday's first image of the shadowy edge of a supermassive black hole. Here are four things we learned:
Astronomy
Apr 10, 2019
12
185
(PhysOrg.com) -- Scientists using a continent-wide array of radio telescopes have made an extremely precise measurement of the curvature of space caused by the Sun's gravity, and their technique promises a major contribution ...
General Physics
Sep 1, 2009
7
0
One of the most important predictions of Einstein's theory of General Relativity is the existence of black holes. The dynamics of these systems are not yet fully understood, but researchers from Queen Mary, University of ...
General Physics
Jan 19, 2011
24
0
A century ago, Albert Einstein postulated the existence of gravitational waves in his General Theory of Relativity. But until now, these distortions of space-time have remained stubbornly hidden from direct observation. At ...
General Physics
May 28, 2015
10
319
(PhysOrg.com) -- One of the most bizarre predictions of Einstein's Theory of General Relativity is the existence of back holes, objects that are so dense that not even light can escape from their gravitational grasp. A related ...
Astronomy
Feb 9, 2012
5
0
White dwarfs are the burned-out cores of stars like our Sun. Astronomers have discovered a pair of white dwarfs spiraling into one another at breakneck speeds. Today, these white dwarfs are so near they make a complete orbit ...
Astronomy
Jul 13, 2011
5
0
A team of physicists with NASA's Jet Propulsion Laboratory at the California Institute of Technology has calculated more precisely how much faster time passes on the moon than on the Earth. The paper describing the math they ...
In the 1960s, astronomers began noticing a pervasive microwave background visible in all directions. Thereafter known as the Cosmic Microwave Background (CMB), the existence of this relic radiation confirmed the Big Bang ...
Astronomy
Apr 21, 2023
9
185
A research team from Osaka University, Nihon University and Chuo University has proposed a novel theoretical framework whose experiment could be performed in a laboratory to better understand the physics of black holes. This ...
General Physics
Aug 20, 2019
0
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