Observational cosmology

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

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

In collections

Nobody has pulled it yet.

What Wikipedia says

Observational cosmology is the study of the structure, the evolution and the origin of the universe through observation, using instruments such as telescopes and cosmic ray detectors.

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

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