The rate at which the universe is expanding, known as the Hubble constant, is one of the fundamental parameters for understanding the evolution and ultimate fate of the cosmos.
Astronomy
Mar 11, 2024
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151
A combination of astrophysical measurements has allowed researchers to put new constraints on the radius of a typical neutron star and provide a novel calculation of the Hubble constant that indicates the rate at which the ...
Astronomy
Dec 17, 2020
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2271
(PhysOrg.com) -- ESA's Planck mission has delivered its first all-sky image. It not only provides new insight into the way stars and galaxies form but also tells us how the Universe itself came to life after the Big Bang.
Astronomy
Jul 5, 2010
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0
Observations using ESO's Very Large Telescope have revealed stars forming within powerful outflows of material blasted out from supermassive black holes at the cores of galaxies. These are the first confirmed observations ...
Astronomy
Mar 27, 2017
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1538
Rochester Institute of Technology researchers continue exploring gravitational waves in a series of upcoming papers. Their reports follow the first direct detection of these waves, predicted by Albert Einstein's general theory ...
Astronomy
Feb 22, 2016
10
26
Using an experiment carried into space on a NASA suborbital rocket, astronomers at Caltech and their colleagues have detected a diffuse cosmic glow that appears to represent more light than that produced by known galaxies ...
Astronomy
Nov 6, 2014
9
0
At a cosmologically crisp one degree Kelvin (minus 458 degrees Fahrenheit), the Boomerang Nebula is the coldest known object in the Universe – colder, in fact, than the faint afterglow of the Big Bang, which is the natural ...
Astronomy
Oct 24, 2013
25
0
Studying the violent collisions of black holes and neutron stars may soon provide a new measurement of the Universe's expansion rate, helping to resolve a long-standing dispute, suggests a new simulation study led by researchers ...
General Physics
Apr 28, 2021
3
255
In a first-of-its-kind collaboration, NASA's Spitzer and Swift space telescopes joined forces to observe a microlensing event, when a distant star brightens due to the gravitational field of at least one foreground cosmic ...
Astronomy
Nov 10, 2016
0
582
(PhysOrg.com) -- A new study from the University at Buffalo contradicts the dark flow theory, showing that exploding stars in different parts of the universe do not appear to be moving in sync. Working with data on 557 such ...
Astronomy
Apr 14, 2011
8
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