Timelapse of Cepheid variable star RS Puppis taken by the...
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Space
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.
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.