everyday science MCQ #6042

Cosmological redshift is the result of the:

everyday science MCQ #6042

  1. Question 1

    Q1. Cosmological redshift is the result of the:

    • A) Expansion of the universe
    • B) Supermassive black holes
    • C) Galaxies speeding away from us
    • D) Tully-Fisher relation

    Answer: Expansion of the universe

    Explanation: Cosmological redshift occurs because the fabric of space itself is expanding, stretching the wavelengths of photons traveling through it, making distant galaxies appear redder.