this post was submitted on 28 Sep 2023
25 points (100.0% liked)

Astronomy

4122 readers
34 users here now

founded 3 years ago
MODERATORS
[email protected]
25
JWST discovers massive and compact quiescent galaxy (phys.org)
submitted 1 year ago by [email protected] to c/[email protected]
1 comments fedilink hide all child comments
top 1 comments
sorted by: hot top controversial new old
[–] [email protected] 3 points 1 year ago

1" means 1 arcsecond, not 1 inch, for the Americans. 1 arcsecond is 1/60th of an arcminute. 1 arc minute is 1/60th of degree. So the 1" scale shown represents 1/3600th of a degree. The object is measured at 1.54 arcseconds