What is the surface of Ganymede made of?

What is the surface of Ganymede made of?

The surface of Ganymede, the largest moon in the solar system, is composed of half water ice and half rock. This satellite of Jupiter is unique for its long, curved grooves in the crust, that make it unlike any other planetary body ever seen.

Can you breathe on Ganymede?

THIN ATMOSPHERE There’s evidence Ganymede has a faint oxygen atmosphere. It would still be far too thin to breathe, though.

What are 5 facts about Ganymede?

• Ganymede is named after a Trojan prince. …
• Ganymede should be a planet, but isn’t. …
• Ganymede has an orbital period of 7.1 days. …
• Ganymede has its own magnetic field. …
• Ganymede may have a buried ocean. …
• Ganymede has an atmosphere. …
• Ganymede is made of rock and ice.

• Ganymede is named after a Trojan prince. …
• Ganymede should be a planet, but isn’t. …
• Ganymede has an orbital period of 7.1 days. …
• Ganymede has its own magnetic field. …
• Ganymede may have a buried ocean. …
• Ganymede has an atmosphere. …
• Ganymede is made of rock and ice.

What are Ganymede and Callisto made of?

Ganymede and Callisto are planet-sized moons of Jupiter, with surfaces composed of a mixture of dark dust and bright ice. Similar in size, they both have interiors of half ice and half rock/metal, but Ganymede’s interior appears to be segregated by density, while Callisto’s interior is mostly mixed.

Is Ganymede light or dark?

Spacecraft images of Ganymede show its surface is a mix of two types of terrain. Forty percent of the surface is covered by highly cratered dark regions, and the remaining sixty percent is covered by a light grooved terrain, which forms intricate patterns across the moon.

Can Ganymede have life?

Bigger than Mercury and only slightly smaller than Mars, Ganymede may host more water than all of Earth’s oceans in a subterranean ocean about 100 miles/ 160 kilometres below its crust. It’s thought that single-cell microbial life—extremophiles—could exist there.

Which planet has most oxygen?

Answer: From the table we see that Mercury has the greatest percentage of oxygen in its atmosphere.

Is there a planet with oxygen?

The planet HD 209458b is the first transiting planet discovered, the first extrasolar planet known to have an atmosphere, the first extrasolar planet observed to have an evaporating hydrogen atmosphere, and now the first extrasolar planet found to have an atmosphere containing oxygen and carbon.

What planet has oxygen?

At about 327,000 miles (527,000 kilometers) from Saturn, Rhea orbits inside the planet’s magnetic field. Rhea’s oxygen atmosphere is believed to be maintained by the ongoing chemical breakdown of water ice on the moon’s surface, driven by radiation from Saturn’s magnetosphere.

Which moon has water?

Scientists believe several moons within our solar system have significant subsurface liquid water deposits. Saturn’s moon Enceladus and Jupiter’s moon Europa are two examples. Both appear to have salty, liquid oceans covered with thick layers of ice at the surface.

Why is it called Ganymede?

Ganymede gets its name from a young Trojan boy in Greek mythology, who was made cup-bearer to the gods by Zeus. Ganymede was discovered by Galileo Galilei and Simon Marius in 1610. It is one of four moons discovered by them. These are commonly referred to as the “Galilean” satellites.

Why is Ganymede so cold?

Ganymede is much colder than Earth, with these daytime temperatures ranging across the surface from 90 to 160 Kelvin (or -297 to -171 degrees Fahrenheit). Jupiter and its moons receive less than 1/30th the amount of sunlight that the Earth does, and Ganymede has essentially no atmosphere to trap heat.

Is Callisto a dead moon?

But data from NASA’s Galileo spacecraft in the 1990s revealed Callisto may have a secret: a salty ocean beneath its surface. That finding put the once seemingly dead moon on the list of worlds that could possibly harbor life. Callisto was discovered Jan.

Can humans survive on Callisto?

As a result, humans could live on the surface of Callisto with just a sufficiently strong radiation attenuating glass between them and the remaining radiation from its host planet. In addition to this relative safety from radiation, this moon is composed of around 40% water.

Is Titan bigger than Callisto?

Titan is the bigger of the two with a diameter of 5,150km whilst Callisto has a diameter of 4,820.6km. Callisto orbits Jupiter whilst Titan orbits Saturn.

Does Ganymede Have lava?

Ganymede has a very distinct surface with bright and dark regions. The surface includes mountains, valleys, craters and lava flows.

What animal is Ganymede?

Snowy Owl Ganymede makes hoots in place of its normal chirps.

Can we walk on Ganymede?

Ganymede, the biggest moon in the Solar System, has surface gravity slightly less than our Moon’s, and should be quite walkable.

What is the surface area of Ganymede?

Discovery
Group	Galilean moon
Physical characteristics
Mean radius	2634.1±0.3 km (0.413 Earths)
Surface area	8.72×107 km2 (0.171 Earths)

Discovery
Group	Galilean moon
Physical characteristics
Mean radius	2634.1±0.3 km (0.413 Earths)
Surface area	8.72×107 km2 (0.171 Earths)

What is Jupiter’s surface mostly made of?

Surface. As a gas giant, Jupiter doesn’t have a true surface. The planet is mostly swirling gases and liquids.

Does Ganymede have an ozone layer?

Unlike ozone production in Earth’s atmosphere, Ganymede’s ozone is produced by charged particles trapped in Jupiter’s powerful magnetic field (much like the Earth’s Van Allen radiation belts).

How strong is gravity on Ganymede?

For one, as Jupiter’s largest moon, Ganymede has a gravitational force of 1.428 m/s2 (the equivalent of 0.146 g) which is comparable to Earth’s Moon.