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Rydych chi'n westai ar hyn o bryd

Mewngofnodi

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Ehangu'r cyfan Crebachu pob un

Astrophysics and Cosmology
Observing the Universe
Observing the Universe

Observing the Universe

Wavelength

The distance between successive peaks of a wave.

» Observing the Universe

Rydych chi'n westai ar hyn o bryd (Mewngofnodi)

Data retention summary

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