On Oct. 13, 1773, a French astronomer named Charles Messier discovered the "whirlpool galaxy," also known as Messier 51, or ...
Astronomy on MSN
Oct. 13, 1773: The discovery of the Whirlpool Galaxy
On Oct. 13, 1773, Charles Messier spotted the Whirlpool Galaxy (M51) for the first time. Writing of it a few months later, he ...
Astronomers used the ALMA radio array in Chile to show that two narrow spiral arms are funneling gas toward the central ...
The supermassive black hole at the center of the Circinus galaxy is being fed with gaseous material by two spiral arms, ...
Researchers have built a small but powerful detector to find gravitational waves in a hidden frequency range. The discovery ...
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