✔ the Doppler effectthe Hubble telescope dark matter X dark energy

Question

Revolt · Accepted Answer

✔ the Doppler effect; Hubble measured the velocity of the movement of galaxies by using .: the Doppler effect; Hubble’s law states that galaxies located farthest from the center of the universe than those closest to the center.: are moving faster

The Expanding Universe

✔ the Doppler effectthe Hubble telescope dark matter X dark energy

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