Which does the shift of the hydrogen absorption spectrum of a galaxy provide evidence for? Select the three correct answers.
Understand the Problem
The question is asking which phenomena the shift in the hydrogen absorption spectrum of a galaxy supports, seeking three correct answers from a list of options.
Answer
Expansion of the universe, motion of the galaxy, and the Big Bang theory.
The shift of the hydrogen absorption spectrum provides evidence for expansion of the universe, motion of the galaxy, and the Big Bang theory.
Answer for screen readers
The shift of the hydrogen absorption spectrum provides evidence for expansion of the universe, motion of the galaxy, and the Big Bang theory.
More Information
The hydrogen spectrum redshift is a key piece of evidence for the expanding universe, implying galaxies are moving apart and supporting the Big Bang theory. Hubble's observation of redshifted galaxies led to this conclusion.
Tips
A common mistake is confusing the shift in spectra with evidence for the number of stars or temperature of the galaxy.
Sources
- The web page with info on - Example Source - brainly.com
- Expansion of the Universe | CK-12 Foundation - flexbooks.ck12.org
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