DORIS

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

1 player has it in their collection.

What Wikipedia says

DORIS is a French satellite system used for the determination of satellite orbits (e.g. TOPEX/Poseidon) and for positioning.

Excerpt from the Wikipedia article “DORIS (satellite system)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: NOAA Satellites, Public domain, via Wikimedia Commons.