Webb telescope spies the Milky Way's black hole
This image from the NASA/ESA Hubble Space Telescope features Arp 72, a very selective galaxy group that only includes two galaxies interacting due to gravity: NGC 5996 (the large spiral galaxy) and ...
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.
Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the ... is the “closest” large galaxy to ours, at a distance of 2.5 million light years away — equal to the ...
2don MSN
The supermassive black hole at the center of the Milky Way appears to be having a party—and it is weird, wild and wonderful.
Observations show Andromeda has a more active star formation history than the Milky Way, potentially due to a past galactic collision. NASA recently released images of the Andromeda galaxy ...
A team of astrophysicists have found flares of light in Sagittarius A*, a supermassive black hole in the center of the Milky ...
Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...
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