Callisto

American  

[kuh-lis-toh] / kəˈlɪs toʊ /

noun

1. Classical Mythology. Also Kallisto a nymph attendant on Artemis, punished for a love affair with Zeus by being changed into a bear and then transformed into stars as the constellation Ursa Major.

2. Astronomy. a large natural satellite of the planet Jupiter.

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Callisto ¹ British  

/ kəˈlɪstəʊ /

noun

1. Greek myth a nymph who attracted the love of Zeus and was changed into a bear by Hera. Zeus then set her in the sky as the constellation Ursa Major

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Callisto ² British  

/ kəˈlɪstəʊ /

noun

1. the second largest (but faintest) of the four Galilean satellites of Jupiter, discovered in 1610 by Galileo. Approximate diameter: 4800 km; orbital radius: 1 883 000 km See also Galilean satellite

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Callisto Scientific  

/ kə-lĭs′tō /

1. One of the four brightest satellites of Jupiter and the eighth in distance from the planet. Originally sighted by Galileo, it is the largest planetary satellite.

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Example Sentences

See Examples For:

Callisto

Iason Bantios, spokesperson for the Callisto wildlife group, said animal damage to crops and livestock "is a longstanding issue".

From Barron's ● Jul. 9, 2026

The two outermost moons, Ganymede and Callisto, are composed of about 50% water ice but likely contain rocky cores rich in elements such as carbon or silicon.

From Science Daily ● Oct. 29, 2025

Its targets include Callisto, Europa and Ganymede, the largest moon in the solar system.

From Seattle Times ● Apr. 28, 2023

Ganymede and Callisto are both relatively inert, ice-rich and much farther from Jupiter than Io and Europa.

From Scientific American ● Apr. 24, 2023

We round Callisto and pass the orbit of Jupiter 13, the outermost of the planet’s known moons.

From "Cosmos" by Carl Sagan