Variable stars

Introduction

Some stars vary regularly, or irregularly in brightness - for one reason or another. These stars are called variables. This variation may be because the star varies in size, matter is falling down on it.

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Eruptive variables *
Pulsating variables *

Cepheid variables *
Mira variables *
RR Lyrae *
T Tauri *
Wolf-Rayet *

* Means empty. I'm working on completing this gallery as soon as possible.