Dictionary.com
Thesaurus.com

Galilean satellites

American  

plural noun

Astronomy.
  1. the four largest and brightest moons of Jupiter: Io, Europa, Ganymede, and Callisto, discovered by Galileo in 1610.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The moons were named by him the ‘Medician stars’, in honour of Cosimo, but are known to astronomers today as the Galilean satellites of Jupiter.

From "The Scientists" by John Gribbin

Voyager 1 obtained excellent imagery of the other three Galilean satellites of Jupiter.

From "Cosmos" by Carl Sagan

We anticipate underground oceans of slush and water in these moons, a hint, before we have ever seen the surfaces of the Galilean satellites close up, that they may be very different one from another.

From "Cosmos" by Carl Sagan

With it he discovered sunspots, the phases of Venus, the craters of the Moon, and the four large moons of Jupiter now called, after him, the Galilean satellites.

From "Cosmos" by Carl Sagan

The Galilean satellites of Jupiter are each almost as big as the planet Mercury.

From "Cosmos" by Carl Sagan

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training