Gravitational redshift

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

In physics and general relativity, gravitational redshift (known as Einstein shift in older literature) is the phenomenon that electromagnetic waves or photons travelling out of a gravitational well lose energy.

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

Image: MikeRun, CC BY-SA 4.0, via Wikimedia Commons.