Proteus is the second-largest moon of Neptune and the largest of its inner satellites, discovered by the Voyager 2 spacecraft in 1989 and named for the shape-shifting sea god of Greek mythology. It measures about 400 kilometers across and orbits Neptune in a nearly equatorial path at a distance of roughly 4.75 Neptune radii from the planet's center.
Facts
Discovery Year Sources
1. Wikipedia (space and spaceflight articles)
Wikimedia Foundation
2. Wikidata: Proteus
Proteus (Wikipedia)
Proteus, Wikipedia - lead section, catalogue classificationQuote, Proteus, Wikipedia - lead section, catalogue classification
In Greek mythology, Proteus ( PROH-tee-əs, PROHT-yooss; Ancient Greek: Πρωτεύς, romanized: Prōteús) is an early prophetic sea god or god of rivers and oceanic bodies of water, one of several deities whom Homer calls the "Old Man of the Sea" (hálios gérôn).
Proteus (moon) (Wikipedia)
In Group: Moons of Neptune, Lead sentenceQuote, In Group: Moons of Neptune, Lead sentence
Proteus ( PROH-tee-əs), also known as Neptune VIII, is the second-largest moon of Neptune and the planet's largest inner satellite.
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