Until recently, one of the ultimate mysteries of the universe—how many civilizations may exist on planets orbiting other stars in the Milky Way Galaxy—relied on the possibility of detecting intelligent beings by radio ...
Astronomy
May 30, 2013
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This striking pair is an elliptical galaxy NGC 541 and an unusual star-forming, irregular dwarf galaxy known as Minkowski's object (the bluish object to the lower left of NGC 541). Elliptical galaxies are nearly spherical ...
Astronomy
May 24, 2022
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Stars are formed by molecular gas and dust coalescing in space. These molecular gases are so dilute and cold that they are invisible to the human eye, but they do emit faint radio waves that can be observed by radio telescopes.
Astronomy
Mar 1, 2023
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South Africa's Karoo region is a vast semi-arid area that stretches across four of the country's provinces. It is sparsely populated and renowned for its wide open spaces.
Astronomy
Apr 23, 2024
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A joint team of University of Tokyo researchers and their collaborators, using ALMA and other telescopes that utilize radio waves for space observation, revealed that dense molecular gas disks a few hundred light years in ...
Astronomy
Oct 13, 2016
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(Phys.org)—After an odyssey of design and construction stretching across more than a decade, North America has delivered the last of the 25, 12-meter-diameter dish antennas that comprise its share of antennas for the international ...
Space Exploration
Nov 21, 2012
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(Phys.org) -- Two of our Milky Way's neighbor galaxies may have had a close encounter billions of years ago, recent studies with the National Science Foundation's Green Bank Telescope (GBT) indicate. The new observations ...
Astronomy
Jun 11, 2012
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In 1919 astronomers Arthur Eddington and Andrew Crommelin captured photographic images of a total solar eclipse. The sun was in the constellation Taurus at the time, and a handful of its stars could be seen in the photographs. ...
Astronomy
Sep 15, 2022
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The first picture of a supermassive black hole at the centre of a galaxy shows how we have, in a sense, observed the invisible.
Astronomy
Apr 11, 2019
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The center of our Milky Way galaxy is a wondrous place full of huge star clusters, dust clouds, magnetic filaments and a supermassive black hole. But it can be a confusing place, too, posing challenges to astronomers trying ...
Astronomy
Jan 7, 2013
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