What are the 4 moons of Jupiter called?

A comparison “portrait” of Jupiter’s four Galilean moons Io, Europa, Gany- mede, and Callisto, each with different characteristics.

What are Jupiter’s four largest moons called?

The Galilean Moons The planet Jupiter’s four largest moons are called the Galilean satellites after Italian astronomer Galileo Galilei, who first observed them in 1610.

What are the names of Jupiter’s four largest moons select 4 answers?

Jupiter and its moons form a “miniature Solar System,” with the moons moving around, or orbiting, Jupiter. These four moons are now known as the Galilean satellites. Their names are Io, Europa, Ganymede, and Callisto, in order of distance from Jupiter.

What is the name of the largest moon of Jupiter?

moon Ganymede
Jupiter’s moon Ganymede is the largest satellite in the solar system. Larger than Mercury and Pluto, and only slightly smaller than Mars, it would easily be classified as a planet if were orbiting the sun rather than Jupiter.

Does Jupiter have 79 moons?

Named Io, Europa, Ganymede and Callisto, these are Jupiter’s biggest moons by far — and they were the first to be discovered. Sheppard’s team just brought the total number of identified Jovian moons (i.e. moons which revolve around Jupiter) up to 79.

What is Neptunes biggest moon?

Triton
Triton is the largest of Neptune’s 13 moons. It is unusual because it is the only large moon in our solar system that orbits in the opposite direction of its planet’s rotation―a retrograde orbit.

What keeps Jupiter’s moons in orbit?

With a total of 79 known moons — including four large moons known as the Galilean satellites — Jupiter almost qualifies as a solar system unto itself. Its size plays a role in the number of moons orbiting Jupiter because there is a large area of gravitational stability around it to support many moons.

What are the 5 largest moons of Jupiter?

ESA Science & Technology – Jupiter’s largest moons From top to bottom, the moons are Io, Europa, Ganymede and Callisto. Europa is almost the same size as Earth’s moon, while Ganymede, the largest moon in the Solar System, is larger than planet Mercury.

What planet has 59 moons?

Uranus
At the time when this image was collected, only five moons of Uranus were known. Voyager 2 discovered 10 more moons in 1986, bringing the total to 15….Uranian Satellites.

Name	Juliet
Discoverer	Voyager 2, 1986
Diameter	94 km/59 mi
Distance From Uranus	64,400 km/40,016 mi
Orbital Period (days)	.49

Does Saturn have 82 moons?

Saturn has 82 moons. Saturn’s moons range in size from larger than the planet Mercury — the giant moon Titan — to as small as a sports arena. The moons shape, contribute and also collect material from Saturn’s rings and magnetosphere.

What are the names of the four moons of Jupiter?

Which is the fourth largest moon in our Solar System?

It is the fourth largest moon and was discovered by 1610 by Galileo Galilei. It is the most active body after Earth with volcanic activity. The surface of Io is mostly made of floodplains of liquid rock and lava lakes. It orbits at an estimated 422,000 km from Jupiter in 1.77 Earth-days and is the fifth moon of the planet Jupiter.

How big are the moons of Jupiter compared to the Earth?

They are respectively the fourth-, sixth-, first-, and third-largest natural satellites in the Solar System, containing approximately 99.997% of the total mass in orbit around Jupiter, while Jupiter is almost 5,000 times more massive than the Galilean moons. The inner moons are in a 1:2:4 orbital resonance.

Which is the largest moon of Jupiter Galilean?

Ganymede is the third Galilean moon from Jupiter and the largest of the four. This low-density moon is about the size of Mercury but has about half the mass. Its outstanding characteristic is that it is the only moon to have its own magnetic field. The satellite’s iron core is topped off by a thick crust that is mostly ice.