What is adrastea made of?
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What is adrastea made of?
Adrastea is the largest contributor to material in Jupiter’s rings. This appears to consist primarily of material that is ejected from the surfaces of Jupiter’s four small inner satellites by meteorite impacts.
What is special about the Callisto moon?
Callisto is Jupiter’s second largest moon and the third largest moon in our solar system. Its surface is the most heavily cratered of any object in our solar system. Images of Callisto captured by passing spacecraft show bright white spots standing out against darker regions.
Can we live on Callisto moon?
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.
Why is Amalthea red?
The surface of Amalthea is very red. This color may be due to sulfur originating from Io or some other non-ice material. Bright patches of less red tint appear on the major slopes of Amalthea, but the nature of this color is currently unknown.
How far is adrastea from Jupiter?
129,000 km
Adrastea orbits 129,000 km from its parent planet Jupiter and it takes 0.298 Earth days for Adrastea to complete one orbit.
Why does Jupiter have 53 moons?
Jupiter is monstrously large, so much so that it is more than twice as massive as all other planets in the solar system combined. Consequently, it has an equally massive gravitational pull that helped it capture a myriad of satellites. By the latest count, the gas giant has 79 confirmed moons.
What are 5 facts about Callisto?
10 Interesting Facts about Callisto
- – Callisto is named after a mistress of Zeus.
- – Callisto is 99% as big as Mercury.
- – Callisto orbits Jupiter in 16.7 days.
- – Callisto should be a planet, but isn’t.
- – Callisto has the most craters in the solar system.
- – Callisto consists of rock and ice.
- – Callisto is brighter than the Moon.
Is Callisto hot or cold?
Callisto (moon)
| Surface temp. | min | max |
|---|---|---|
| K | 80±5 | 165±5 |
What color is Callisto?
brownish
Callisto is relatively brownish in color, possibly due to the contamination of the icy surface by meteoritic material.
How big is Amalthea moon?
51.884 miAmalthea / Radius
What does the name Amalthea mean?
tender goddess
The name Amalthea, in Greek “tender goddess”, is clearly an epithet, signifying the presence of an earlier nurturing goddess or maiden-goddess whom the Hellenes, whose myths we know, knew to be located in Crete, where Minoans may have called her a version of “Dikte”.
What are Jupiter’s 53 named moons?
Jupiter has 53 named moons, including the four largest—Ganymede, Io, Callisto, and Europa—which were discovered by Galileo Galilei back in 1610. Sixteen others still don’t have names, including two moons that were identified last year, bringing the total at that point up to 69.
What is Jupiter’s sixth largest moon?
Ganymede (moon)
| Discovery | |
|---|---|
| Satellite of | Jupiter |
| Group | Galilean moon |
| Physical characteristics | |
| Mean radius | 2634.1±0.3 km (0.413 Earths) |
Which planet has 27 moon?
Uranus
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| Planet / Dwarf Planet | Confirmed Moons | Provisional Moons |
|---|---|---|
| Jupiter | 53 | 26 |
| Saturn | 53 | 29 |
| Uranus | 27 | 0 |
| Neptune | 14 | 0 |
What are 3 interesting facts about Callisto?
Below are some more interesting facts about Callisto:
- – Callisto is named after a mistress of Zeus.
- – Callisto is 99% as big as Mercury.
- – Callisto orbits Jupiter in 16.7 days.
- – Callisto should be a planet, but isn’t.
- – Callisto has the most craters in the solar system.
- – Callisto consists of rock and ice.
Is Callisto a dead moon?
Callisto is a large moon orbiting Jupiter. It has an ancient, cratered surface, indicating that geological processes could be dead. However, it may also hold an underground ocean.
Does Callisto have ice?
Callisto has an icy surface covered by craters of various shapes and sizes, including bowl-shaped craters and craters with multiple rings. Data gathered by the Galileo spacecraft indicate Callisto may have a subsurface ocean and scientists estimate it may be 155 miles (250 kilometers) below the surface.
How long is a day on Amalthea moon?
Amalthea takes 0.498 Earth days to complete one orbit. Amalthea is the reddest object in the solar system and it appears to give out more heat than it receives from the sun. This may be because, as it orbits within Jupiter’s powerful magnetic field, electric currents are included in the moon’s core.
What does the name adrastea mean?
inescapable
The name Adrastea is girl’s name meaning “inescapable”. In Greek mythology, Adrastea (or Adrasteia) was a nymph who helped raise the infant Zeus. It was also sometimes used as an alternate name for several other goddesses, and is the name of one of the moons of Jupiter.
