bobak: infinity-imagined: Timelapse of Cepheid variable star…

bobak:

infinity-imagined:

Timelapse of Cepheid variable star RS Puppis taken by the Hubble Space Telescope.  Light echoes ripple through the surrounding nebula as the star pulses in a 41 day cycle.

*makes whimpering noise*

Reposted from http://ift.tt/1wIlUIn.

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