S4C

Y Cosmos - Cyfres 1: Y Blaned Sadwrn

Mae'r daith drwy'r Cosmos yn parhau, wrth i ni gyrraedd y Blaned Sadwrn. The ringed planet, Saturn, and exciting evidence which seems to suggest alien life here may have already...听

  • Duration47 mins
  • First shown4 Oct 2014
  • Available for 5 months
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