JWST discovers massive and compact quiescent galaxy
Submitted 11 months ago by fossilesque@mander.xyz to astronomy@mander.xyz
https://phys.org/news/2023-09-jwst-massive-compact-quiescent-galaxy.html
Submitted 11 months ago by fossilesque@mander.xyz to astronomy@mander.xyz
https://phys.org/news/2023-09-jwst-massive-compact-quiescent-galaxy.html
XeroxCool@lemmy.world 11 months 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