In Astronomy
- 173 Ino is a large dark main belt asteroid
- 173P/Mueller is a periodic comet in our solar system
- Arp 173 (VV 296, KPG 439) is a pair of galaxies in the constellation Boötes
- HD 221287 is a yellow-white main-sequence star about 173 light years away in the constellation of Tucana
- HD 221287 b is an extrasolar planet about 173 light years away in the constellation of Tucana
Read more about this topic: 173 (number)
Famous quotes containing the word astronomy:
“It is noticed, that the consideration of the great periods and spaces of astronomy induces a dignity of mind, and an indifference to death.”
—Ralph Waldo Emerson (1803–1882)