Tired light

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

Tired light is a class of hypothetical redshift mechanisms that was proposed as an alternative explanation for the redshift-distance relationship. These models have been proposed as alternatives to the models that involve the expansion of the universe.

Excerpt from the Wikipedia article “Tired light”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: NASA / WMAP Science Team, Public domain, via Wikimedia Commons.