Category:Variable stars

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Variable stars are stars which vary considerably in brightness on much shorter time scales than most stars, which are of nearly constant luminosity, like our own sun.

The main article for this category is Variable stars.

Asteroseismology is the branch of Astronomy which uses the observations to study the internal structure of stars.

Stellar Pulsations Some variable stars pulsate. From these pulsations we can study the internal structure of stars.