File:NASA’s Webb to Unveil the Secrets of Nearby Dwarf Galaxies (51145702098).jpg

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In two separate studies using NASA’s upcoming James Webb Space Telescope, a team of astronomers will observe dwarf galaxy companions to the Milky Way and the nearby Andromeda galaxy. Studying these small companions will help scientists learn about galaxy formation and the properties of dark matter, a mysterious substance thought to account for approximately 85% of the matter in the universe.

Image: The dwarf galaxy Sculptor, above, is a companion to the Milky Way galaxy. Astronomers will use Webb to study the motions of stars in Sculptor and Draco, another dwarf companion to the Milky Way. By studying how the stars move, the researchers will be able to determine how the dark matter is distributed in these galaxies.

Read more: www.nasa.gov/feature/goddard/2019/nasa-s-webb-to-unveil-t...

Credits: ESA/Hubble, Digitized Sky Survey 2

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Source NASA’s Webb to Unveil the Secrets of Nearby Dwarf Galaxies
Author NASA's James Webb Space Telescope from Greenbelt, MD, USA

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This image was originally posted to Flickr by James Webb Space Telescope at https://flickr.com/photos/50785054@N03/51145702098. It was reviewed on 17 June 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

17 June 2023

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current17:20, 17 June 2023Thumbnail for version as of 17:20, 17 June 2023985 × 985 (156 KB)Astromessier (talk | contribs)Transferred from Flickr via #flickr2commons

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