this post was submitted on 15 Sep 2023
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Unprecedented Webb image shows newborn star's outflow moving at supersonic speeds (www.cbsnews.com)
submitted 1 year ago by ZeroCool@feddit.ch to c/space@beehaw.org
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[–] throws_lemy@lemmy.nz 4 points 1 year ago* (last edited 1 year ago) (1 children)

I mean, NASA use 'supersonic' in this report

The team measured the velocities of the innermost outflow structures to be roughly 48-60 miles per second (80 to 100 kilometers per second). However, the difference in velocity between these sections of the outflow and the leading material they’re colliding with — the shock wave — is much smaller.

https://webbtelescope.org/contents/news-releases/2023/news-2023-141

[–] walden@sub.wetshaving.social 2 points 1 year ago* (last edited 1 year ago)

I noticed NASA used it too, which is why I didn't shrug it off as bad reporting.