Jupiter is the most massive planet in the solar system.

In addition, however, Jupiter's moons, especially Io, are powerful sources of auroras on Jupiter.

It has a mass that is 2.2 times that of Jupiter's, the rough equivalent of 700 Earths.

He discovered two moons of Jupiter, today known as Himalia (in 1904) and Elara (in 1905).

It is the third largest moon in the Solar System and the second largest in the Jovian system, after Ganymede, and the largest object in the Solar System not to be properly differentiated.

Neith crater is a crater on Jupiter's moon Ganymede, the largest moon in the solar system.

Over the next few years, astronomers connected up their antennas to loudspeakers and learned about our radio sky, about Jupiter and the Sun, by listening.

With a mass only 93 times that of Jupiter (), AB Doradus C, a companion to AB Doradus A, is the smallest known star undergoing nuclear fusion in its core.

Erinome is about 3.2 kilometres in diameter, and orbits Jupiter at an average distance of 22,986 Mm in 711.965 days, at an inclination of 164 to the ecliptic (162 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2552.

Kore is about 2 kilometers in diameter, and orbits Jupiter at an average distance of 23,239 Mm in 723.720 days, at an inclination of 141 to the ecliptic (139 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2462.

Thyone is about 4 kilometres in diameter, and orbits Jupiter at an average distance of 21.406 million kilometres in 639.803 days, at an inclination of 147 to the ecliptic (147 to Jupiter's equator) with an eccentricity of 0.2526.

Kalyke is about 5.2 kilometres in diameter, and orbits Jupiter at an average distance of 23,181 Mm in 721.021 days, at an inclination of 166 to the ecliptic (165 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2140.

Taygete is about 5 kilometres in diameter, and orbits Jupiter at an average distance of 22,439 Mm in 686.675 days, at an inclination of 165 to the ecliptic (163 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.3678.

Arche is about 3 kilometres in diameter, and orbits Jupiter at an average distance of 23,717 Mm in 746.185 days, at an inclination of 165 to the ecliptic (162 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.149.

Isonoe is about 3.8 kilometres in diameter, and orbits Jupiter at an average distance of 23,833 Mm in 751.647 days, at an inclination of 166 to the ecliptic (169 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.166.

Chaldene is about 3.8 kilometres in diameter, and orbits Jupiter at an average distance of 22,713 Mm in 699.327 days, at an inclination of 167 to the ecliptic (169 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2916.

Pasithee is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 23,307 Mm in 727.933 days, at an inclination of 166 to the ecliptic (164 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.3289.

Eurydome is about 3 kilometres in diameter, and orbits Jupiter at an average distance of 23,231 Mm in 723.359 days, at an inclination of 149 to the ecliptic (147 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.3770.

Hegemone is about 3 kilometres in diameter, and orbits Jupiter at an average distance of 23,703 Mm in 745.500 days, at an inclination of 153 to the ecliptic (151 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.4077.

Megaclite is about 5.4 kilometres in diameter, and orbits Jupiter at an average distance of 24.687 million kilometers in 792.437 days, at an inclination of 150 to the ecliptic (148 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.308.

For example, the large gravitational force of the giant planet Jupiter is able to retain light gases such as hydrogen and helium that escape from objects with lower gravity.

Eukelade is about 4 kilometres in diameter, and orbits Jupiter at an average distance of 23,484 Mm in 735.200 days, at an inclination of 164 to the ecliptic (165 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2829.

Sponde is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 24,253 Mm in 771.604 days, at an inclination of 154 to the ecliptic (156 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.443.

Cyllene is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 23,396 Mm in 731.099 days, at an inclination of 140 to the ecliptic (140 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.4116.

Aoede is about 4 kilometres in diameter, and orbits Jupiter at an average distance of 23,044 Mm in 714.657 days, at an inclination of 160 to the ecliptic (162 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.4311.

Particularly, there's a place called Europa, which is Europa is one of the moons of Jupiter, where we see a very level ice surface, which looks as if it's floating on top of an ocean.

So the orbit of the comet discovered by Pons was a sensation, because his orbit was found to have a period of 3.3 years, so that the aphelion had to be within the orbit of Jupiter.

Helike is about 4 kilometres in diameter, and orbits Jupiter at an average distance of 20.54 million kilometres in 601.402 days, at an inclination of 155 to the ecliptic (156 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.1375.

Orthosie is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 20,568 Mm in 602.619 days, at an inclination of 142 to the ecliptic (143 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2433.

Hermippe is about 4 kilometres in diameter, and orbits Jupiter at an average distance of 21,182 Mm in 629.809 days, at an inclination of 151 to the ecliptic (149 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.2290.

Mneme is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 21.427 million kilometres in 640.769 days, at an inclination of 149 to the ecliptic (148 to Jupiter's equator) with an eccentricity of 0.2214.

So that place, a little moon around Jupiter, is probably the prime candidate for finding life on a moon or a body outside the Earth, that we know of.

Most of the remaining inner satellites were discovered by spacecraft Voyager 1 and Voyager 2 during their flybys of Jupiter (1979), Saturn (1980), Uranus (1986) and Neptune (1989).

A team of French and Swiss scientists used follow up data to determine the existence of the Hot Jupiter planet Kepler 40b, and later had their results published in a scientific journal on January 4, 2011.

Aitne is about 3 kilometres in diameter, and orbits Jupiter at an average distance of 22,285 Mm in 679.641 days, at an inclination of 166 to the ecliptic (164 to Jupiter's equator), in a retrograde direction and with an eccentricity of 0.393.

As Jupiter has no surface, the base of its atmosphere is usually considered to be the point at which atmospheric pressure is equal to , or ten times surface pressure on Earth.

For these reasons, scientists are coming to believe that Phoebe is in fact a captured centaur, one of a number of icy planetoids from the Kuiper belt that orbit the Sun between Jupiter and Neptune.

This latter restriction excludes objects whose orbits may cross but which will never collide with each other due to orbital resonance, such as Jupiter and the Trojan asteroids, Earth and 3753 Cruithne, or Neptune and the plutinos.

In this respect they are similar to the rings of Jupiter, in which the dust fraction is 50 100 , and are very different from the rings of Saturn and Uranus, which contain little dust (less than 0.1 ).

On 28 May 1959, aboard Jupiter IRBM AM 18, were a 7 pound (3.18 kg) American born rhesus monkey, Able, and an 11 ounce (310 g) squirrel monkey from Peru, Baker.

There are no Jovians.

Galileo's drawings show that he observed Neptune on December 28, 1612, and again on January 27, 1613 on both occasions, Galileo mistook Neptune for a fixed star when it appeared very close (in conjunction) to Jupiter in the night sky.

The Earth, Mars and Jupiter are planets.

The Earth, Mars and Jupiter are planets.

This is not on another planet. These are things that are hidden away on our planet.