Shapley 1
Shapley 1 (also known as Sp 1 or PLN 329+2.1)[1] is a planetary nebula in the constellation of Norma. The nebula was discovered by the astronomer Harlow Shapley in 1936 and it is about 1,000 lightyears away from Earth.[1][2][3]
References
- ↑ 1.0 1.1 "Shapley1". Astrosurf. Retrieved 2009-10-12.
- ↑ Darling, David "Shapley 1". David Darling Encyclopedia. Retrieved on 21 October 2009.
- ↑ "Shapley 1". Space Images. Northwestern University. Retrieved 2009-10-21.
