What is a cepheid variable?

1 Answer
Suryin =)
Nov 23, 2015

Pulsating variable stars

Explanation:

It is special class of variable stars which changes in both brightness and size. One example is the Polaris which is located in the constellation Little Dipper. It changes from bright to dim and back to bright in four days.

Pulsating variable stars are referred to Cepheid variable because the very first pulsating variable star is discovered in a group of stars called Cepheus.

Related questions
See all questions in Cepheid Variables
Impact of this question
3677 views around the world
You can reuse this answer
Creative Commons License