×
Please click
here
if you are not redirected within a few seconds.
All
Images
Shopping
Videos
Maps
News
Books
Search tools
Any time
Any time
Past hour
Past 24 hours
Past week
Past month
Past year
All results
All results
Verbatim
Variable star
<
>
View all
A variable star is a star whose brightness as seen from Earth changes with time. This variation may be caused by a change in emitted light or by something partly blocking the light, so variable stars ...
Wikipedia