This glossary covers words that you will come across on this website.
a | b
| f | g
| j | k | l
| n | o | p
| q | r
| u | v | w
| x | y | z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Click one of the letters above to be taken to a page of all terms beginning with that letter.
A unit of stellar distance. A parsec is the distance at which one astronomical unit subtends an angle of one second of arc. (one parsec = 3.2616 light years = 206265 astronomical units = 30.857[*10^12]km)