Astronomy

New Distances Support Idea of Dark Matter–less Galaxies

New distance measurements of two unusual galaxies within the constellation Cetus, the Whale, assist the notion that they’re virtually devoid of darkish matter — the mysterious stuff that constitutes 85% of all gravitating mass within the universe. Astronomers are at a loss to clarify the obvious absence of darkish matter within the two programs. A …

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Make the Most of Comet ATLAS

Comet ATLAS (C/2020 R4) shows a green coma about 6′ throughout barely elongated in the southwest course on this picture made on March 27, 2021. José Chambo Comets are all the time prowling about, however most are tenth magnitude and fainter. I’ve nothing in opposition to faint comets. If it is thirteenth magnitude or brighter …

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Discover the Night: International Dark Sky Week is Here!

City lights erase all however the brightest objects from night time skies. Joshua Hanson / International Dark-Sky Association If you reside in the United States or Europe, likelihood is you’re among 99% of the population that experiences skyglow, the brightening of the night time sky resulting from avenue and home lights. Skyglow — and different …

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