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Mae鈥檔 ddrwg gennym 鈥榙yw鈥檙 bennod yma ddim ar gael ar hyn o bryd

Y Blaned Sadwrn

Y Cosmos Cyfres 2014

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 been found.

47 o funudau

Darllediad diwethaf

Sul 19 Maw 2023 10:00
S4C

Rhagor o benodau

Blaenorol

Y Blaned IauCyfres 2014

Gweld holl benodau Y Cosmos

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