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Ganymede

Ganymede is a moon of Jupiter and the largest moon in the solar system. Astronomers believe that the icy moon houses a saltwater ocean deep under its surface.

185 Questions

Can you live on Ganymede?

No, because scienctists have concluded that there is a small, thin layer of oxygen, but is to thin for human life

What is Ganymede made of?

Ganymede is composed of approximately equal amounts of silicate rock and water ice. It is a fully differentiated body with an iron-rich, liquid core. A saltwater ocean is believed to exist nearly 200 km below Ganymede's surface, sandwiched between layers of ice.Its surface is composed of two main types of terrain. Dark regions, saturated with impact craters and dated to four billion years ago, cover about a third of the satellite. Lighter regions, crosscut by extensive grooves and ridges and only slightly less ancient, cover the remainder. The cause of the light terrain's disrupted geology is not fully known, but was likely the result of tectonic activity brought about by tidal heating.

Ganymede is the only satellite in the Solar System known to possess a magnetosphere, likely created through convection within the liquid iron core. The meager magnetosphere is buried within Jupiter's much larger magnetic field and connected to it through open field lines. The satellite has a thin oxygen atmosphere that includes O, O2, and possibly O3 (ozone). Atomic hydrogen is a minor atmospheric constituent. Whether the satellite has an ionosphere associated with its atmosphere is unresolved.

Order of brightness between Io Europa Ganymede and Callisto?

From Brightest to Dimmest:

Ganymede

Io

Europa

Callisto

Use JPL's HORIZONS web ephemeris to look up apparent magnitudes of jovian satellites.

Which moon would look the brightest from the surface of Jupiter out of lo Europa Ganymede and Callisto?

Ganymede would appear the brightest from the surface of Jupiter due to its larger size and higher reflectivity compared to Europa, Callisto, and Io. Ganymede is the largest moon in the solar system and has a highly reflective icy surface, making it more luminous when viewed from Jupiter.

Which planet is smaller than Ganymede?

Ganymede is largerthan Mercury, but has a smaller mass.

Does Ganymede have an atmosphere?

It might have a tenuous (ie very, very thin) atmosphere made of oxygen and ozone, but as far as I am aware even that has never been proven.

Are there storms on the moon Ganymede?

Ganymede, which is a moon of Jupiter, does not have storms like those found on Earth. However, the moon does experience periodic periods of high-energy plasma interactions with Jupiter's magnetic field, which can create auroras and possibly other localized disturbances in Ganymede's atmosphere.

Does ganymede have dirt or gravel?

Ganymede is a moon of Jupiter and is primarily composed of rock and ice. It does not have dirt or gravel in the traditional sense found on Earth due to its icy surface and lack of significant erosion processes.

Which is bigger ganymede or titan?

Ganymede is bigger than Titan. Ganymede is the largest moon in the solar system and is even bigger than the planet Mercury. Titan is the largest moon of Saturn and is the second largest moon in the solar system.

Does Ganymede have rocks and does it have dirt or gravel?

Ganymede's surface is mainly made up of water ice mixed with rocky materials. It also contains areas covered with dust, which may appear similar to dirt or gravel. Overall, the surface of Ganymede is a complex mixture of ice, rock, and dust.

Which planet has a lot of moons?

All four of the outer gas giant planets have a lot of moons, particulary Jupiter and Saturn. This is due to their larges sizes/masses which have captured many moons. Jupiter has 63 named moons, while Saturn has 60.

How thick is Ganymede's atmosphere?

Ganymede has a extremely thin atmosphere mainly composed of oxygen however is extremely tenous so there it's almost no air

What are the geological features of Ganymede?

Ganymede, one of Jupiter's moons, has a varied geological landscape that includes grooved terrains, impact craters, and younger, smoother regions believed to be the result of cryovolcanism. These features indicate a complex history of geological activity on the moon, including tectonic movements, impacts from space debris, and possible subsurface water or ice activity.

Would Hydroponics be suitable method for plants on the moon or a spaceship?

Yes, hydroponics could be a suitable method for growing plants on the moon or a spaceship because it allows plants to grow without soil by providing all necessary nutrients through water. Hydroponics can be set up in a controlled environment, making it ideal for space where conditions are harsh and limited. Additionally, it can be more efficient in terms of water usage compared to traditional soil-based cultivation.

Does Ganymede have volcanoes?

Yes, Ganymede, one of Jupiter's moons, has evidence of past tectonic activity and cryovolcanism, where water and ice erupt instead of molten rock. However, no active volcanoes have been observed on Ganymede.

Which is the largest Pluto the moon mercury ganymede?

Ganymede. Even though it is weird that a moon is bigger than planet Mercury, here`s the order from biggest to smallest:

Ganymede

Mercury

Moon

Pluto

Is the moon Ganymede bigger the moon titan?

Yes, Ganymede is the largest natural satellite in our solar system. It is bigger than Pluto and Mercury, although it has a lower mass.

Why Ganymede is an important satellite?

Ganymede is significant in many ways. First of all, it is the largest satellite (in diameter) in our solar system. It also is one of the few satellites to have it's own magnetic field, which interacts curiously with Jupiter's own. Among other things, the surface features and sub-glacial oceans provide fascinating potential for future research.

How do lo Europa Ganymede and Callisto stay in orbit around Jupiter?

The Galilean moons—Europa, Ganymede, and Callisto—remain in orbit around Jupiter due to the planet's strong gravitational pull. This gravitational force keeps the moons in stable orbits as they revolve around Jupiter. The balance between their orbital velocity and Jupiter's gravitational pull keeps them from escaping or falling into the planet.

Is ganymede a volcano on Jupiter?

Ganymede is not a volcano on Jupiter. Ganymede is actually one of Jupiter's moons, and it is the largest moon in our solar system. It has a complex geology with various surface features, including impact craters, grooves, and ridges.

Callisto has a smaller mass than Ganymede so why does it take a longer time to orbit Jupiter?

Callisto's farther orbit from Jupiter means it has a longer distance to travel around the planet, leading to a longer orbital period. Additionally, the gravitational pull from Jupiter is weaker at Callisto's distance, allowing it to move at a slower speed in its orbit.

What are the distances of Io Callisto Europa and Ganymede from Jupiter?

Io is about 262,000 miles from Jupiter, Europa is about 416,000 miles away, Ganymede is about 665,000 miles away, and Callisto is about 1.2 million miles from Jupiter.

What planet does not rotate from west to east?

Venus is the only planet in the solar system that has a retrograde rotation.

Is Ganymede a volcano?

Ganymede, the largest moon of Jupiter, is not a volcano. It is composed mainly of water ice and rock, and its surface is covered with various geological features including impact craters, ridges, and grooves. Volcanic activity has not been detected on Ganymede.

What is Jupiter's orbital period?

Period of Jupiter = Tj

Period of earth = Te = 1 year

and its given

(Tj/Te)2 = (5.2)3

(Tj/1)2 = 140.6

Tj = Sqrt(140.6) = 11.85 years ~ 12years

Jupiter's year is approximately 12 Earth years. 1 year on Jupiter is 12 earth years. If you were 48 on earth, you would be 4 years old on Jupiter.