Scientists in South Africa on Friday launched the world's first optical telescope linked to a radio telescope, combining "eyes and ears" to try to unravel the secrets of the universe.
Astronomy
May 25, 2018
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(PhysOrg.com) -- In 1908, Harvard astronomer Henrietta Swan Leavitt discovered that a class of stars called Cepheids have brightnesses that vary regularly with periods that are directly related to their intrinsic luminosities.
Astronomy
Jan 29, 2010
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An international team of more than 200 astronomers from 18 countries has published the first phase of a major new radio sky survey at unprecedented sensitivity using the Low Frequency Array (LOFAR) telescope. The survey reveals ...
Astronomy
Feb 19, 2019
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The search for radio signals from alien worlds is expanding to 20,000 star systems that were previously considered poor targets for intelligent extraterrestrial life, US researchers said Wednesday.
Astronomy
Mar 30, 2016
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By combining two of the most advanced telescopes in the world -- the new Atacama Large Millimeter Array (ALMA) and the Very Large Telescope (VLT) of ESO -- a team of French astronomers from the Institut d'astrophysique spatiale ...
Astronomy
Feb 10, 2012
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The Event Horizon Telescope (EHT) collaboration has published new results that describe for the first time how light from the edge of the supermassive black hole M87* spirals as it escapes the black hole's intense gravity, ...
Astronomy
Nov 8, 2023
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For millions of years after the Big Bang, there were no stars, or even galaxies to contain stars. During these "Cosmic Dark Ages," neutral hydrogen gas dominated the universe. When clouds of primordial hydrogen gas started ...
Astronomy
Sep 2, 2013
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(Phys.org) —Astronomers have released a new image of the outer atmosphere of Betelgeuse – one of the nearest red supergiants to Earth – revealing the detailed structure of the matter being thrown off the star.
Astronomy
Apr 24, 2013
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(Phys.org) —This composite image of a galaxy illustrates how the intense gravity of a supermassive black hole can be tapped to generate immense power. The image contains X-ray data from NASA's Chandra X-ray Observatory ...
Astronomy
May 15, 2013
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(PhysOrg.com) -- Engineers and scientists say the maneuver went off without a hitch, and everything is working properly. The mission's "first-light" images of the sky will be released to the public in about a month, after ...
Space Exploration
Dec 30, 2009
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