Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

What is a cepheid variable star?


A variable star having a regular cycle of brightness with a frequency related to its luminosity, so allowing estimation of its distance from the earth.

{{ relativeTimeResolver(1582634746138) }}

LIVE
Points points 10
Rating

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE