Pioneer H

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

Invention

Domain

Science and technology

Knowledge cost

1

In collections

Nobody has pulled it yet.

What Wikipedia says

Pioneer H was a proposed space probe for the US Pioneer program. If it had been approved, it would have been launched in 1974 and have been designated Pioneer 12; that designation was later applied to the Pioneer Venus Orbiter.

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

Image: Jorfer, Public domain, via Wikimedia Commons.