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Hello and welcome! My name is Anton and in this video, we will talk about the local void and galaxies and other stuff hiding in it.
Links:
https://www.uni-bonn.de/en/news/231-2023
https://academic.oup.com/mnras/article/527/3/4388/7337338
https://arxiv.org/abs/2211.16388
https://arxiv.org/abs/2211.16139
Cold spot: https://youtu.be/XX5GR8YsMJo
#galaxy #void #astronomy
0:00 Hubble tension issue
0:48 Does location of the Milky Way explain it?
1:22 Voids in a nutshell
2:10 Local void
2:45 Larger void may solve Hubble tension
4:25 They're not really voids though
5:00 Galaxy inside the void
6:00 Local sheet and Milky Way's location
7:00 Other galaxies hiding here and what's inside of them
8:55 Most famous and beautiful galaxy inside the void
9:30 A lot of gas here
10:30 More mysteries
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Images/Videos:
TNG Collaboration
Courtois et al
Tully et al./University of Hawaii)
AG Kroupa/University of Bonn
Azcolvin429, cropped by Zeryphex, improved by Astronom5109 CC BY-SA 3.0 https://en.wikipedia.org/wiki/Void_(astronomy)#/media/File:Galaxy_superclusters_and_galaxy_voids.png
Illustris
Piquito veloz CC BY-SA 4.0 https://en.wikipedia.org/wiki/Local_Sheet#/media/File:Council_of_giants_(front_view).png
Sloan Digital Sky Survey - http://skyserver.sdss.org/dr14/en/tools/chart/navi.aspx CC BY 4.0
http://hla.stsci.edu/hlaview.html CC BY-SA 3.0
Licenses used:
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https://creativecommons.org/licenses/by-sa/3.0/
https://creativecommons.org/licenses/by/2.5/
https://creativecommons.org/licenses/by-sa/2.5/
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