Soyuz 20

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

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Invention

Domain

Science and technology

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1

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What Wikipedia says

Soyuz 20 (Russian: Союз 20, Union 20) was an uncrewed spacecraft launched by the Soviet Union. It was a long-duration test of the Soyuz spacecraft that docked with the Salyut 4 space station. Soyuz 20 performed comprehensive checking of improved on-board systems of the spacecraft under various flight conditions.

Excerpt from the Wikipedia article “Soyuz 20”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Soyuz_7K-T_2-seats_drawing.png: NASA derivative work: Zeugma fr, Public domain, via Wikimedia Commons.