Cepheid Variable Star RS Puppis (IMAGE)
Caption
RS Puppis, one of the most luminous Cepheid variable stars, rhythmically brightens and dims over a six-week cycle.
Credit
NASA, ESA, Hubble Heritage Team (STScI/AURA)-Hubble/Europe Collaboration. Link to original photo: https://hubblesite.org/contents/media/images/2013/51/3263-Image.html
Usage Restrictions
No restrictions.
License
Public Domain