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Io is the most volcanically active moon in the solar system; its surface is constantly being renewed. Fresh layers being constantly laid down means fresh, unblemished surface constantly being renewed. Europa, on the other hand, may be covered with ice; we can't be entirely sure yet.
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What are the names of Jupiters moons that Galileo discovered?
The four largest moons of Jupiter discovered by Galileo are Io, Europa, Ganymede, and Callisto.
What is the order of brightness for the Galilean moons?
The order of brightness for the Galilean moons of Jupiter from brightest to dimmest is Io, Europa, Ganymede, and Callisto. Io is the brightest due to its active volcanism, while Callisto is the dimmest of the four.
What are some characteristics of Jupiter?
Jupiter's moons are very different in size and composition. For example, Europa is composed primarily of ice. Io contains sulfur and many volcanoes. Ganymede has its own magnetic field, while Calisto is full of craters.
What planet have the moons ganymede io callisto and europa moons?
It is Jupiter.
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.
Why are numerous impact craters found on Ganymede and Callisto but not on Io or Europa?
IO is an active volcanic moon, and any craters are swamped with volcanic lava.Europa is an "ice" moon and any impact is swamped with melted water, which later refreezes.
Listed the order of brightness for each moon as seen from Jupiter surface?
Io Europa Ganymede Callisto
What do io and europa have in common?
In Greek myth, both Io and Europa were maidens loved by Zeus, they are also related: Io being the mother of Epaphus who had with Memphis a daughter Libya who had with Poseidon: Agenor King of Phoenicia who with Telephassa or Antiope the parents of Europa.
What are the satellites in Jupiter?
Europa, Ganymede, and IO :)
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.
Did Neal Armstrong walk on IO or Europa?
Neil Armstrong did not walk on either Io or Europa. Armstrong was the first person to walk on the Moon during the Apollo 11 mission in 1969. Io and Europa are moons of Jupiter and have not been visited by astronauts.
What are Jupiter's 4 moons?
Europa is one of Jupiter's moons. Actally theres Europa, Callisto, Ganymade, and Io. :] Ganymede, Io, Europa and Callisto Jupiter has 67 moons, of which four are major. Those moons are Io, Europa, Ganymede, and Callisto.
What are the 4 Galilean moons from largest to smallest?
Io, Europa, Ganymede and Callisto are the four satellites that orbit Jupiter.
What places were named after europa and io?
Io and Europa are two of the 63 (known) moons of Jupiter. In Greek mythology, Io was a priestess of Hera and Europa was the queen of Crete; both were lovers of Zeus, whose Roman name was Jupiter. The continent of Europe is also named for Europa; the term has been in use since at least the 1st century CE (AD). The asteroid 85 Io is also named for Io.
Which moon did Neil Armstrong walk on Enceladus Io Or Europa?
Armstrong visited the Earth's moon, not Enceladus (moon of Saturn), Io or Europa (moons of Jupiter).
Why do Io and europa shine?
They don't, but they can reflect sunlight.
Who were mortals Zeus was in love with?
Io, Europa, and Callisto.
