
Kentphilly.eth
@kentphilly
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Astronomy Picture of the Day (Messier 101)
Big, beautiful spiral galaxy M101 is one of the last entries in Charles Messierβs famous catalog, but definitely not one of the least. About 170,000 light-years across, this galaxy is enormous, almost twice the size of our own Milky Way. M101 was also one of the original spiral nebulae observed by Lord Rosseβs large 19th century telescope, the Leviathan of Parsontown. Assembled from 51 exposures recorded by the Hubble Space Telescope in the 20th and 21st centuries, with additional data from ground based telescopes, this mosaic spans about 40,000 light-years across the central region of M101 in one of the highest definition spiral galaxy portraits ever released from Hubble.
- May 16, 2025
- Shared through Genyframe (Nasa Explorer) by @compez.eth
- From Effort to Achievement β $GENY Helps You Share Your Path! π 0 reply
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