Project Echo
Project Echo
Common
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
- Work
- Domain
- Arts and letters
- Knowledge cost
- 3
- In collections
- Nobody has pulled it yet.
What Wikipedia says
Project Echo was a passive communications satellite experiment designed by the American National Aeronautics and Space Agency (NASA) as the first test of man-made satellite communication in history.
Excerpt from the Wikipedia article “Project Echo”, under the CC BY-SA 4.0 license. Read the article on Wikipedia
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