Right ascension

Rarity: Rare

A topic known well beyond its field, found in many languages.

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

1 player has it in their collection.

What Wikipedia says

In astronomy, right ascension (abbreviated RA; symbol α) is the angular distance of a particular point measured eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point in question above the Earth.

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

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