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Io

Io

Slightly larger than Earth's moon, Io is the fourth-largest moon in the Solar System, has the highest density of any moon, the strongest surface gravity of any moon, and the lowest amount of water (by atomic ratio) of any known astronomical object in the Solar System.

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Io (moon) - Wikipedia

was discovered on Jan. 8, 1610 by Galileo Galilei. The discovery, along with three other Jovian moons, was the first time a moon was discovered orbiting a planet other than Earth.

Where was Io discovered?

Io, also called Jupiter I, innermost of the four large moons (Galilean satellites) discovered around Jupiter by the Italian astronomer Galileo in 1610.

How did we discover Io?

Most of what we know about Io comes from Galileo spacecraft, which made a detailed study of the Jupiter system—including Io—from orbit from December 1995 to September 2006, but it was Voyager 1 that spotted the first signs of the little moon's powerful volcanism in 1979.

Who was Io named after?

Io is named after a maiden who was loved by Zeus. In the Greek myth, Zeus turned her into a heifer in an attempt to hide her from his jealous wife, Hera. Io was discovered by Galileo Galilei and Simon Marius in 1610 and is one of the four Galilean satellites.

Has anyone landed on Io?

No space agency has ever sent a dedicated mission to Io; most of what scientists know about the moon today comes from the Voyager mission through the outer solar system, the Galileo mission to Jupiter and ground-based observations.

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Could Io be terraformed?

Io is an inhospitable moon of Jupiter. Terraforming will prove extremely challenging but colonization of Io would be relatively easy using the geothermal energy to create an electromagnetic field so we could protect the colony from the radiation belt of Jupiter.

Could Io be habitable for humans?

Io almost certainly could not support life as we know it. But that's not to say it couldn't harbor some form of life as we don't know it.

Did Io sleep with Zeus?

Io was another woman to whom Zeus fell in love and made her suffer. She was a beautiful girl living in Argos, central Greece, when Zeus saw her and fell madly in love. Disguised into a cloud, Zeus made love to her.

Why did Zeus turn Io into a cow?

According to some stories, Zeus then turned Io into a heifer in order to hide her from his wife; others maintain that Hera herself transformed Io.

Why was Io cursed?

Before the film, Io refused a god's advance and was cursed with agelessness. She watched many of her loved ones die while she lived on forever. She helped watch over Perseus since the day he was born and guided him to his family, but Io was too late in saving Danaë, Perseus' mother.

Was Io a planet?

Io — Jupiter's fifth moon — is the most volcanically active body in the solar system. Io's surface is peppered with hundreds of volcanoes, some spewing sulfurous plumes hundreds of miles high.

Was Io an asteroid?

Io is a large asteroid orbiting between Mars and Jupiter in the main portion of the asteroid belt.

Is Jupiter's moon called Io or Lo?

A bit larger than Earth's Moon, Io is the third largest of Jupiter's moons, and the fifth one in distance from the planet.

Who was the god Io?

Io ("the wanderer") is generally explained as a moon-goddess wandering in the starry heavens, symbolized by Argus of the hundred eyes; her transformation into a horned heifer represents the crescent moon.

What is the myth about Io?

As told by the Roman poet Ovid (43 BCE-17 CE) in his "Metamorphoses," the beautiful nymph Io was seduced by Jupiter, king of the gods, and transformed into a heifer by Jupiter's jealous wife, Juno.

Why is Io orange colored?

Io's colors derive from sulfur and molten silicate rock. The unusual surface of Io is kept very young by its system of active volcanoes. The intense tidal gravity of Jupiter stretches Io and damps wobbles caused by Jupiter's other Galilean moons.

Who did Zeus impregnate as a bull?

The Dictionary of Classical Mythology explains that Zeus was enamoured of Europa and decided to seduce or rape her, the two being near-equivalent in Greek myth. He transformed himself into a tame white bull and mixed in with her father's herds.

Did Zeus fall in love with Io?

Under the name of Callithyia, Io was regarded as the first priestess of Hera, the wife of Zeus. Zeus fell in love with her and, to protect her from the wrath of Hera, changed her into a white heifer.

Did Zeus cheat on Hera with Io?

Zeus fell in love with Io and seduced her. To try to keep Hera from noticing he covered the world with a thick blanket of clouds. This backfired, arousing Hera's suspicions. She came down from Mount Olympus and begain dispersing the clouds.

Who hasn't Zeus slept with?

Who hasn't Zeus slept with? According to a Homeric Hymn, there are three goddesses whom Aphrodite “can't persuade or decieve”, i.e. who don't feel sexual desire and are perpetually virgins. They are Athena, Artemis and Hestia. So, we are sure that Zeus did never have affairs with any of those three.

Who cracked open Zeus's head?

Hephaestus took his axe and brought it down on Zeus's head with all the strength he could muster, cracking his skull. Zeus thanked Hephaestus. His headache was cured. From the crack in his head leapt a goddess, Athena, fully grown and fully armed, like a man in everything but her sex.

Who put Zeus to eternal sleep?

Hera called on Hypnos and asked him to help her by putting Zeus to sleep. Hypnos was reluctant because the last time he had put the god to sleep, he was furious when he awoke.

Why does Io have no ice?

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. Most of Io's surface is composed of extensive plains with a frosty coating of sulfur and sulfur dioxide.

How long is 1 day on Io?

The atmosphere is collapsed and trapped as surface ice for about two hours each day on Io (note: A day on Io is equal to 1.7 Earth days, because that's how long it takes the body to rotate on its axis in relation to the sun.

Can you breath on moon Io?

The atmosphere of Io doesn't make it the sort of place you'd want to draw a deep breath. For one, it's incredibly thin, so nothing like a deep breath would even be possible. But the kicker is that its major component is sulfur dioxide, which would react with the water in your lungs to form a strong acid.