Cosmic Times

Media tagged with "distance scale"

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Cepheid Variable in Spiral Galaxy

Cepheid Variable in Spiral Galaxy

Description: A animation showing a Cepheid variable star varying in brightness in the arm of a spiral galaxy.

Credit: NASA/GSFC

Type: Video

Keywords: cepheid variable, galaxy, spiral galaxy, distance scale, video

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A service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Andy Ptak (Director), within the Astrophysics Science Division (ASD) at NASA/GSFC