|
Keywords: Sirius, white dwarf
NGC 2440: Cocoon of a New White Dwarf
30.07.2000
Like a butterfly, a white dwarf star begins its life by casting off a cocoon that enclosed its former self. In this analogy, however, the Sun would be a caterpillar and the ejected shell of gas would become the prettiest of all!
NGC 2440: Cocoon of a New White Dwarf
5.08.2001
Like a butterfly, a white dwarf star begins its life by casting off a cocoon that enclosed its former self. In this analogy, however, the Sun would be a caterpillar and the ejected shell of gas would become the prettiest of all!
NGC 2440: Cocoon of a New White Dwarf
26.04.1998
Like a butterfly, a white dwarf star begins its life by casting off a cocoon that enclosed its former self. In this analogy, however, the Sun would be a caterpillar and the ejected shell of gas would become the prettiest of all!
Sirius: The Brightest Star in the Night
2.09.1996
Sirius is the brightest star in the night sky. Intrinsically, Sirius is over 20 times brighter than our Sun and over twice as massive. As Sirius is 8.7 light years distant, it is not the closest star system -- the Alpha Centauri system holds this distinction.
|
January February March April May June |
|||||||||||||||||||||||||||||||||||||||||||||||||