What is a Cepheid variable?

3 ⤊

What is a Cepheid variable?

2007-06-12 10:38:42 · 3 answers · asked by Joline 6 in Science & Mathematics ➔ Astronomy & Space

3 answers

I found a good answer on this google site.....

wikipedia.org/wiki/Cepheid_variable - 29k

2007-06-13 07:58:23 · answer #1 · answered by MAD MOMMA 3 · 0⤊ 0⤋

Show some personal endeavor,

Google
"Cepheid variable" 78,400 hits
"Cepheid variable" "standard candle" 690 hits

2007-06-12 10:42:55 · answer #2 · answered by Uncle Al 5 · 1⤊ 0⤋

They are "standard candle" stars. They vary in brightness and their period is proportional to their brightness. They can be used to measure cosmic distances.

Cepheid variable - Wikipedia, the free encyclopedia

2007-06-12 10:44:11 · answer #3 · answered by Gene 7 · 2⤊ 0⤋