Question

What is a variable star?

Answer 1

A star whose brightness changes, either irregularly or regularly.



A variable star is a star whose brightness as seen from Earth fluctuates.

This variation may be caused by a change in emitted light or by something partly blocking the light, so variable stars are classified as either:

1.)Intrinsic variables
2.)Extrinsic variables

Answer 2

hello there!!!!!


Variable star is the star whose brightness can be seen from the earth....


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