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Giant Stellar Stream Spotted around Sombrero Galaxy 5nvklj





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Giant Stellar Stream Spotted around Sombrero Galaxy

Dragon
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Giant Stellar Stream Spotted around Sombrero Galaxy Empty Giant Stellar Stream Spotted around Sombrero Galaxy

Post by Dragon Thu Jul 22, 2021 8:19 pm

The Sombrero galaxy likely merged with a relatively massive galaxy several billions years ago.

In a new study published in the Monthly Notices of the Royal Astronomical Society, astronomers analyzed wide-field deep images of the Sombrero galaxy’s outskirts obtained with a small amateur telescope with the purpose of detecting any tidal structures — such as stellar streams and tails — from the possible ancient merger.

The Sombrero galaxy is located approximately 28 million light-years away in the constellation of Virgo.

Also known as Messier 104, M104 or NGC 4594, the galaxy was discovered on May 11, 1781 by the French astronomer Pierre Méchain.

It has a diameter of approximately 49,000 light-years, about 3 times smaller than our Milky Way Galaxy.


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Post by Dragon Thu Jul 22, 2021 8:20 pm

Giant Stellar Stream Spotted around Sombrero Galaxy Image_8149_1-Messier-104
Image credit: NASA / ESA / Hubble Heritage Team / STScI / AURA

This Hubble image shows the Sombrero galaxy.


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Post by Dragon Thu Jul 22, 2021 8:21 pm

Giant Stellar Stream Spotted around Sombrero Galaxy Image_9886-Sombrero-Galaxy-Stream
Image credit: Jon Lomberg / Stellar Tidal Stream Survey

An artist’s impression of the tidal stream around the Sombrero galaxy.


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Giant Stellar Stream Spotted around Sombrero Galaxy 334pu7m
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Post by Dragon Thu Jul 22, 2021 8:25 pm



Like the Milky Way, Sombrero is a spiral galaxy. However, we see Sombrero edge-on from our vantage point from Earth, rather than the face-down perspective that is more familiar.


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