The story
Etymology from Wiktionary, CC BY-SA 4.0.
arcsecond
Today it means: A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree. Full definition →
Today it means: A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.