The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on, counterclockwise intermediate spiral galaxy located 21 million light-years (6.4 megaparsecs) [5] from Earth in the …

Jun 4, 2025 · Located 25 million light-years away from Earth in the constellation Ursa Major, M101 has an apparent magnitude of 7.9. It can be spotted through a small telescope and is most easily …

Apr 17, 2025 · The galaxy Messier 101 (M101, also known as NGC 5457 and also nicknamed the Pinwheel Galaxy) lies in the northern circumpolar constellation, Ursa Major (The Great Bear), at a …

Charles Messier included the Pinwheel Galaxy as M101 as a late entry to his list of 110 astronomy objects. Messier 101 can be located with your telescope by star-hopping from the bright star, Alkaid, …

Located in the northern constellation Ursa Major, M101 is a classic example of a “grand design spiral galaxy” — a galaxy with prominent, well-defined spiral arms that gracefully wind outward from a …

M101 lies in the northern circumpolar constellation, Ursa Major (The Great Bear), at a distance of 23 million light-years from Earth. The galaxy fills a region in the sky equal to one-fifth the area of the full …

M101 (NGC5457) is a vast galaxy with open spirals, equivalent size to about two-third of the Moon and about 22 million light years away. Although seen face on, it's dim and it takes a large scope and a …

Jun 18, 2018 · M101 is a comparable in size to the Milky Way. The disk is 100 billion solar masses, and the central bulge of about 3 billion solar masses. M101 is rich is pinkish star forming regions, many of …

Messier 101 (M101), also known as the Pinwheel Galaxy, is a spectacular face-on spiral galaxy located in the northern constellation Ursa Major. Discovered by Pierre M?chain on March 27, 1781, it was …

Feb 22, 2024 · The Pinwheel Galaxy, also known as Messier 101 or NGC 5457, is a beautiful and majestic spiral galaxy located in the constellation Ursa Major. With its stunning spiral arms and bright …