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What Moon does Io belong to?
Jupiter’s rocky moon Io is the most volcanically active world in the solar system, with hundreds of volcanoes, some erupting lava fountains dozens of miles (or kilometers) high.
Is there a moon called Io?
Io is one of the four so-called Galilean moons of Jupiter, along with Europa, Ganymede, and Callisto. These larger moons, discovered by Galileo Galilei in 1610, are all visible from Earth with a small telescope.
Why is the moon called Io?
Io (/ˈaɪ.oʊ/), or Jupiter I, is the innermost and third-largest of the four Galilean moons of the planet Jupiter. It was discovered in 1610 by Galileo Galilei and was named after the mythological character Io, a priestess of Hera who became one of Zeus’s lovers.
Is there life on Io?
Io is generally considered a poor candidate for life because of all the radiation Jupiter blasts it with. Still, conditions on Io might have made it a friendlier habitat in the distant past. If life did ever develop on Io, there is a chance it might have survived to the present day, Schulze-Makuch suggested.
How was Io found?
The Discovery of Io Io was the first of Jupiter’s moons discovered by Galileo Galilei on Jan. Several spacecraft have flown by Jupiter and its moons. Pioneer 10 arrived first, in 1973, followed by Pioneer 11 in 1974. Voyager 1 and Voyager 2 returned striking photos during their flybys.
What color is Io?
Most of Io’s surface has pastel colors, punctuated by black, brown, green, orange, and red units near the active volcanic centers. A false color version of the mosaic has been created to enhance the contrast of the color variations.
How hot is Io?
Temperature: Io’s surface temperature averages about minus 202 degrees Fahrenheit (minus 130 Celsius), resulting in the formation of sulfur dioxide snowfields. But Io’s volcanoes can reach 3,000 F (1,649 C). Io is often referred to as a celestial body of fire and ice.
What do you need to know about the moon Io?
Ten Things to Know About Io. Pop Culture. Resources. Introduction. Jupiter’s moon Io is the most volcanically active world in the Solar System, with hundreds of volcanoes, some erupting lava fountains dozens of miles (or kilometers) high. Io is caught in a tug-of-war between Jupiter’s massive gravity and the smaller but precisely timed pulls
How is Io related to other moons of Jupiter?
Io is caught in a tug-of-war between Jupiter’s massive gravity and the smaller but precisely timed pulls from two neighboring moons that orbit farther from Jupiter—Europa and Ganymede.
Is it true that Mars does not have a moon?
For years, scientists thought that Mars had no moon. Johannes Kepler suggested the possibility of two moons around the red planet, but only from a numerical standpoint; Earth had one moon and Jupiter, at the time, was known to have four, so the middle planet would likely have two.
What kind of rock is the moon Io made of?
Some of these peaks are taller than Mount Everest, the highest point on Earth’s surface. Unlike most moons in the outer Solar System, which are mostly composed of water ice, Io is primarily composed of silicate rock surrounding a molten iron or iron sulfide core.