Arcsecond facts for kids

Kids Encyclopedia Facts

An arcsecond (second of arc) is a unit of angle used in astronomy. 1 arcsecond is 1/60th of an arcminute (minute of arc), which in turn is 1/60th of a degree. Therefore, an arcsecond is equal to 1/3600th of a degree, meaning there are 1296 thousand arcseconds in a full circle.


Arcsecond Facts for Kids. Kiddle Encyclopedia.