Angular size refers to the apparent size of an object as seen from a specific point or location. It is a measurement of how big or small something appears to be in terms of angles.
Sentences with «angular size»
The 21 - cm emission from a galaxy of small angular size will be the blended result of the emission from all parts of the disk. (astronomynotes.com)
Telescopes increase the apparent angular size of distant objects, as well as their apparent brightness. (sciencedaily.com)
The ripples seen by COBE have angular sizes on the sky greater than 10 degree. (newscientist.com)