The coldest place in the universe
Stories from Physics
for 11-14
14-16
A young planetary nebula, the Boomerang Nebula, is the coldest naturally occurring place in the universe at a temperature of 1 K. The low temperature of the nebula is thought to arise from the rapid expansion of gases, travelling at speeds of around 160 km/s.
References
The coldest place in the universe
L. Lindbereg Christensen, & R. A. Fosbury, Hubble: 15 Years of Discovery, New York, NY, Springer Science+Business Media, Inc., 2006, p. 114
H. Olofsson, In H. J. Habing, & H. Olofsson (Eds.), Asymptotic Giant Branch Stars, New York, NY, Springer Science+Business Media, Inc., 2004, p.332
