Vela X-1

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

Place

Domain

Science and technology

In collections

Nobody has pulled it yet.

What Wikipedia says

Vela X-1 is a pulsing, eclipsing high-mass X-ray binary (HMXB) system, associated with the Uhuru source 4U 0900-40 and the supergiant star HD 77581.

Excerpt from the Wikipedia article “Vela X-1”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: ESO, CC BY 4.0, via Wikimedia Commons.