this post was submitted on 29 Aug 2024

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JWST found rogue worlds that blur the line between stars and planets (www.newscientist.com)

submitted 10 months ago* (last edited 10 months ago) by UselesslyBrisk@infosec.pub to c/space@beehaw.org

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Also here:

https://www.esa.int/ESA_Multimedia/Images/2024/08/Webb_peeks_into_Perseus

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[–] JSharp1436@mstdn.social 1 points 10 months ago (1 children)

@UselesslyBrisk

They're called Brown Dwarfs. We've known about them for a long time.

[–] UselesslyBrisk@infosec.pub 5 points 10 months ago

The observation isn't about discovering brown dwarfs, but rather it contributes to defining the boundaries between what is classified as a brown dwarf and what is considered a gas giant. Additionally, it was one of the first instances where a brown dwarf was observed with satellites, making it noteworthy.