Media tagged with "distance scale"

On most browsers, you can download the files by right-clicking on the download link and then chosing the "Save as..", or equivalent, option

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

Downloads

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

National Aeronautics and Space Administration