Introduction jupiters 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. The planet jupiters four largest moons are called the galilean satel lites, after. Jupiters fifth moon, io, is the most volcanically active body in the solar system. The shadow is about the size of io 3,640 kilometers or 2,262 miles across and sweeps across the face of jupiter at 17 kilometers per second 38,000 miles per hour.
It turns out that io, one of the larger moons of jupiter, has a very big effect on whether we hear any jupiter radio emission or not. But a recent scientific paper has announced that this. Ganymede, io, callisto and europa, also known as galilean satellites. Jupiter holds the title of being the solar systems fourth brightest object. Figure 1appearance of io against the disk of jupiter during the. They, together with hydrogen ions originating from the atmosphere of jupiter, form a plasma sheet in jupiters equatorial plane. For every time ganymede goes around jupiter, europa makes two orbits and io makes four orbits. Its four largest moons are called the galileans, after astronomer galileo galilei, who discovered them in 1610. It orbits jupiter at an average distance of 262,000 miles 422,000 km, similar to the distance the moon orbits earth. The density of iron is about 5, and that of silicate rock is 3, so the inside of io must be made out of rocky material and sulfur deep inside io is probably a core made of heavier metal elements such as iron. Io is very close in size to the earths moon with a diameter of 1,942 miles 3,636 km. Io is the most volcanically active moon in the solar system and has over 400 moons. The four moons io, europa, ganymede, and callisto were first discovered by galileo galilei in 1610.
Jupiters clouds are made up of mostly ammonia crystals, sulfur and mixtures of both of these. A liquid ocean may lie beneath the frozen crust of europa, and icy oceans may also lie beneath the crusts of callisto and gany mede. Pdf a history of the exploration of io researchgate. This montage of images of jupiter and its volcanic moon io, was taken by the new horizons spacecrafts flyby in early 2007. Galilean moons of jupiter jet propulsion laboratory. See a photo of jupiters moon, io, taken from the robotic galileo spacecraft, from national. Io and jupiter constitute a moonplanet system that is unique in our solar system. It is named for the roman god jupiter, who was the chief god of the many gods that the romans believed in. Ganymede is larger than mercury and the only moon in the solar system to possess its own magnetic field. Io moon simple english wikipedia, the free encyclopedia. All the planets have names that come from the romans. Its mass is estimatedcalculated at being 89,319,379,731,108,900,000,000 kg. During this time and until 1610, galileo discovered the four largest moons that orbit jupiter.
What are galilean moons moons of jupiter discovered by. If jupiter had been 80 times more massive it would have become our second sun in the solar system. Jupiter facts for kids interesting facts about planet. Possible volcanic activity and a large ocean provide several ways to. Io is the fifth moon in distance from the planet jupiter.
Image rare image of jupiter and its moon, io jupiter s 10 facts screen 8 on flowvella presentation software. What makes jupiters moon io unique in the solar system. If io always kept exactly the same face turned toward jupiter, this bulge would not generate heat. Io is the closest moon to jupiter out of the four galilean moons. Europas orbital period time to go around jupiter once is twice ios, and ganymedes period is twice that of europa. During the 17th century, a giant red spot was first observed on jupiter. The conspicuous black spot on jupiter is ios shadow. The individual moon names are callisto, europa, ganymede, and.
Io is very unique since it is the most volcanically active body in the solar system. The images in this mosaic, featuring the moon io against a background of gas giant jupiters diffuse swirling cloud bands, were recorded by voyagers camera from a distance of about 8. It is the fourthlargest moon in the solar system, has the highest density of all of them, and has the lowest amount of water by atomic ratio of any known astronomical object in the solar system. Facts about io io has more than 400 active volcanoes on its surface. A bit larger than earths moon, io is the third largest of jupiters moons, and the fifth one in distance from the planet. Io is one of four galilean moons of jupiter, the closest to the planet. Yet jupiter is more than 300 times more massive than earth, causing forces that pull io into an elongated shape, with a severalkilometerhigh bulge extending toward jupiter. With every layer removed, one finds fresh mysteries to ponder over, each one more confounding than the last. See a photo of jupiters moon, io, taken from the robotic galileo spacecraft, from national geographic. Io is about the same distance from jupiter as our moon is from earth. The volcanism on io is due to tidal heating, as the moon is stretched by jupiter s strong gravitational pull and by the lesser gravitational effects of the other satellites. A liquid ocean may lie beneath the frozen crust of europa, and.
Referred to as jupiter s pizza moon due to its bright and blotted landscape, io has also been regarded as a moon of fire and ice since it resides in an utterly cold place in our solar system nearly 400 million miles from the sun, but, unlike jupiter s other moons, it emits massive amounts of heat despite its small size. Squeezing out mountains, mathematically, on jupiters moon io. Io is the most volcanically active body in our solar system. Jupiters known satellites carnegie institution, dtm a dozen new moons of jupiter discovered 16 july 2018 galilean satellite fact table jupiter fact sheet jupiter home page notes on the factsheets directory to other planetary fact sheets. This image, shows jupiters volcanic moon io passing above the turbulent clouds of the giant planet, on july 24, 1996. In fact the generation of electric current between the magnetic object and. Io is a moon of jupiter which is volcanically active and, in fact, is the most active object in the solar system.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. The socalled volcanoes on jupiters moon io have long been conventionally interpreted as the effect of tidal forces acting on the moon. Its camera and nine other instruments sent back reports that allowed scientists to determine, among other things, that jupiters icy moon europa probably has a subsurface ocean. Jupiters moon fast facts fast facts fast facts fast facts life on earthand elsewhere. As a highly volcanic place perhaps a bit of an understatement after reading further below, modernday scientists have observed a hellish landscape in the cosmos.
Io is caught in a tugofwar between jupiters massive gravity and the smaller but precisely timed pulls from two neighboring moons that orbit farther from jupitereuropa and ganymede. Hightemperature silicate volcanism on jupiters moon io pdf. Io is the third largest of jupiters moons and very similar in size to our own moon. Plumes of sulfur spew upward as high as 190 miles 300. Your search criteria found 241 images target is io. These large moons, named io, europa, ganymede, and. It has at least 67 known moons and a thin dusty ring.
They make this little moon the most actively volcanic world in the solar system. Also lunar land have other planets and moon for sale. They also seem to be the source of ios ionosphere, though the satellite itself may also be a fair conductor of electricity. The buy land on the planet jupiter io moon gift category has 6 different gift packages to choose. These and other features are what make jupiters moon io unique in the solar system. It was discovered in the year 1610 by galileo galilei. It is the fourth largest moon in our solar system and the third largest of jupiters moons, after ganymede and callisto. Io s volcanoes are in a constant state of eruption. Using his innovated telescope, galileo first observed the four main moons of jupiter.
Io is a large moon, about the size of our own moon, but it is still tiny compared to the enormous planet jupiter. The electrical volcanoes of jupiters moon io space. Planet mars, land on the moon, planet mercury, planet venus and planet. Once thought to be dead, jupiters tiny moon io is populated with over 400 active volcanoes, its largest erupting 400 kilometers into space. Io was discovered on january 8, 1610 by galileo galilei and is the most volcanically active body in the solar system. The moons all keep the same face towards jupiter as. The gas is ionized in the magnetosphere producing sulfur and oxygen ions. The largest four moons of jupiter io, europa, ganymede and callisto were discovered by galileo in 1610 and are known as the galilean moons. While its purpose is primarily to study jupiters origins, interior structure, deep atmosphere and magnetosphere, its worth remembering jupiter is also host to the largest and some of the most interesting moons in the solar system. The planet jupiter is the largest world in the solar system. The planet jupiters four largest moons, or satellites, are called.
It was discovered in 1610 by galileo galilei and was named after the mythological. It pulls its name of io, loving conquest of zeus persecuted by the wife of this last one, hera, whose a priestess she had been. Remote work advice from the largest allremote company. The volcanoes on the moon io emit large amounts of sulfur dioxide forming a gas torus along the moons orbit. And its names were derived from the lovers of greek god, zeus. This firstever complete map of jupiters volcanic moon io released on march 19, 2012, was created using data and images from nasas galileo spacecraft, which studied jupiter and its. The jupiter image is an infrared color composite taken by the spacecraft. Jupiter europa orbiter, to study this intriguing moon. The other three moons that were discovered by galileo are. It is jupiters third biggest moon with a diameter of 3642 km, being slightly bigger than earths moon. It was one of the four jovian moons that were discovered by galileo and hence, it is often referred to as the galilean moon of jupiter.
Io moon facts about io facts about the solar system. Jupiters moons facts about the moons of jupiter the planets. Its average orbital distance is about 262,000 miles 422,000 km. Ios volcanoes may be the source of many of the ions in jupiters magnetosphere, and they also account for the io torus, a ring of glowing sodium atoms tracing ios orbit. In this image composite, jupiter is not at the 1,070,000 km 665,000 mi callisto 1,883,000 km 1,170,000 mi satellite mean radius io 1821. The planet jupiters four largest moons are called the galilean satellites, after. About the images left in this composite of images, jupiters four largest moons are shown to scale, in order of increasing distance away from jupiter from bottom, io, europa, ganymede, and callisto. The air of io is roughly 90% sulfur, and 10% other simple atoms such as oxygen an idea of the interior composition can be guessed from the density of io, which is about 3. Jupiter io moon standard, jupiter io moon premium, jupiter io moon deluxe, jupiter io moon super, jupiter io moon 5 acre deed and 10 acre land on the jupiter io moon deed. Mountains arent the first thing that hit you when you look at images of jupiters innermost moon, io. Composition of io, jupiters moon windows to the universe. Io, jupiters volcanic moon exploring the solar system is like peeling an onion. Galileo orbited jupiter for almost eight years, and made close passes by all its major moons.
Io is tidally locked, so the same side always faces jupiter. It is the most volcanically active object in the solar system. Jupiter s intensely strong gravity stretches io one way, and the gravitational pull of some of jupiter s other moons are pulling io the other way. Io is the most volcanically active body in the solar system.
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