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Variable star Reference Libraries

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Variable Star
2004-10-19 04:45:43

Variable Star -- Most stars are of nearly constant luminosity. Our own Sun is a good example which goes through practically no measurable variation in brightness. There are, however, stars which do vary in brightness, called variable stars. They fall into two main groups: Intrinsic variables These are stars which have intrinsic variations in brightness, that is the star itself gets...

Word of the Day
ponerology
  • An interdisciplinary study of social injustice.
The word 'ponerology' was coined by Andrzej Łobaczewski, a Polish psychiatrist. It comes from a Greek word meaning "evil".