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physical object > natural object > celestial body > natural satellite > Galilean satellite

Galilean satellite
subject			fact

Galilean satellite	is a part of Jupiter
	has discovery date 1610
	has discoverer Galileo
	has definition The largest satellites of Jupiter - Io, Europa, Ganymede, and Callisto. All are locked in synchronous rotation with Jupiter.
	is a kind of natural satellite
celestial body	has spectra
satellite	orbits a more massive physical object
	has approximately elliptical orbit
	has orbital period
	has orbital inclination
physical object	has location or center of gravity
	has angular momentum
	has mass
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material

Kinds of Galilean satellite :

• Callisto (12 facts) (Jupiter IV, J IV) - Fifth (known) moon out from jupiter, and its second largest., A Galilean satellite of Jupiter. It has the lowest density, lowest albedo, and highest temperature of any of the four main satellites of Jupiter.
• Europa (9 facts) (Jupiter II) - One of the Galilean satellites of Jupiter
• Ganymede (8 facts) (Jupiter III) - The largest satellite of Jupiter.
• Io (11 facts) (Jupiter I, Jupiter I) - The innermost Galilean satellite of Jupiter, similar in size and density to the Moon. Jupiter's decametric radiation has been linked at least partially to Io. It has the highest mean density of any of the Galilean satellites. Pioneer 10 also detected the presence of an ionosphere, and Na D emission. It also has the highest albedo in the solar system.

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