Io experiences tidal heating primarily because _____. Part A. Terms in this set (49) Io experiences tidal heating primarily because _____. internal friction in the moon’s structure. B. ), Shown. lo. School Virginia Tech; Course Title PHYS 1055; Type. Based on this diagram, "red sequence" galaxies are __________ than "blue cloud" galaxies. , Which of the following statements correctly describes the motion of the particles in Saturn's rings? and more. As you learned in Part A, Io's elliptical orbit is necessary to its tidal heating. The two jovian planets that contain the highest proportions of hydrogen compounds are _____. Ganymede : - largest moon in the solar system. hints io experiences tidal heating primarily because _____. io is made of relatively soft materials that deform quite easily. Study with Quizlet and memorize flashcards containing terms like Which of the following statements best describes the general pattern of composition among the four jovian planets?, Look at the average densities of the jovian planets given in Figure 1. absorb infrared light emitted by the surface part D According to scientists, the naturally occurring greenhouse effect makes Earth about 31∘C∘C warmer than it would be if there were no. C. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. It is strongest when. This leads to gravitational flexing or kneading in their centers, which can heat them—an effect called tidal heating. Io has an unusually elongated shape that makes it look more like an egg than a sphere Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter Io is located very close to Jupiter Io is made of relatively soft materials that deform quite easilyIo experiences tidal heating primarily because _____ Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. The inner moons have few or no. c) it has an elongated shape that makes it look more like an egg than a sphere. lo experiences tidal heating primarily because __________. (The strength of the tidal force depends on Io's distance from Jupiter, so the tidal force varies as Io moves around its elliptical orbit. Io experiences tidal heating primarily because _____. b) it is made of relatively soft materials that deform quite easily. io is made of relatively soft materials that deform quite easily. We now know of many Jupiter-size planets around other stars. part C Greenhouse gases in the atmosphere, such as carbon dioxide and water vapor, make Earth warmer than it would be otherwise because these gases _____. Io experiences tidal heating primarily because _____. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter Correct The strength of the tidal force depends on Io's distance from Jupiter, so the tidal force varies as Io moves around its elliptical orbit. , Rank the following items that describe distances from longest distance (left) to shortest distance (right). Io experiences tidal heating primarily because _____. Saturn's rings are composed of. Io experiences tidal heating primarily because _____. (The strength of the tidal force depends on. Io experiences tidal heating primarily because _____. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. Is farther from Jupiter E. The tidal force varies. contains much more ice. This orbital resonance causes Io to have a more. Io has a similar mass and size as the Moon, but Io is the most geologically active body in the Solar System. As you saw in Part A, Io's elliptical orbit is necessary to its tidal heating. ). Part a io experiences tidal heating primarily because. This orbital resonance causes Io to have a more elliptical orbit than it would otherwise, because _____. it is made of relatively soft materials that deform quite easily. Io tidal heating. Io experiences tidal heating primarily because A. Io is covered in volcanoes while Europa is covered in ice because a) Io is larger than Europa b) Io receives much more sunlight and Europa c) Io is subject to stronger tidal heating than Europa c Which of the following is not an indication of liquid water beneath Europa's icy surface a) the moon's changing magnetic field b) the moon's average. is farther from Jupiter. Particles in the inner rings orbit Saturn at a faster speed than particles in the outer rings. Suppose that future observations show that one of these planets has two orbiting moons. hints io experiences tidal heating primarily because _____. C. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. is farther from Jupiter Feedback: It is Jupiter's gravity that exerts the primary tidal force on the Galilean moons, and both this force and the difference in this force across a moon (the source of tidal heating) weaken with distance from Jupiter. Io is made of relatively soft materials thatdeform quite easily, 2. d-infrared light. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. Study with Quizlet and memorize flashcards containing terms like Saturn's rings are composed of _____. The tidal force varies. is farther from Jupiter. Io experiences tidal heating primarily because _____. Io, Europa and Ganymede periodically return to the same orbital positions, creating the same gravitational tugs. Neither could erosional processes bury a continent on the time scale of human civilization. c) it has an elongated shape that makes it look more like an egg than a sphere. However, most of this heat is carried to the surface by ascending silicate magma rather than by conduction through the lithosphere (McEwen et al. Suppose that future observations show that one. Io experiences tidal heating primarily because _____. Io periodically passes Europa and Ganymede in the same orbital. Tidal heating. c-visible light. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. Its elliptical orbit causes the tidal force to vary as Io orbits JupiterPart A Io experiences tidal heating primarily because _____. is farther from Jupiter . However, Europa experiences less tidal heating than Io, because Europa _____ than Io. A tidal force results from the unequal gravitational pull on two sides of a body. Click the card to flip. In this paper, Stanton Peale and colleagues proposed that Io's interior should be largely molten because of heat generated by the tidal stressing experienced. 7. ”},{“question”:”Using the data in the table Satellites of the Solar System, identify the orbital resonance relationship between Titan and Hyperion. Rank these planets from left to right based on their mass, from lowest to highest. These energy sources naturally renew, or replenish themselves. A. its elliptical orbit causes the tidal force to vary as Io orbits. Study with Quizlet and memorize flashcards containing terms like If life exists in the oceans on Jupiter's moon Europa, what would be its most likely energy source?, With our current technology, how could we detect life on a planet orbiting a distant star?, How does the habitable zone around a star of spectral type M compare to that around a star of spectral. Its elliptical orbit causes the tidal force to vary as Io orbits Jupiter Part A Io experiences tidal heating primarily because _____. This leads to gravitational flexing or kneading in their centers, which can heat them—an effect called tidal heating. Identified Q&As 31. A. In the top case, tidal heating occurs in Io’s deep mantle resulting in most of its internal heat being released at the poles. Io experiences tidal heating primarily because _____. Io's elliptical orbit is necessary to its tidal heating. Io is made of relatively soft materials thatdeform quite easilyIo has an unusually elongated shape that Io experiences tidal heating primarily because __________. active volcanoes on io. In a complex kind of modern dance, the large moons of Jupiter are caught in the varying gravity grip of both the giant planet and each other. In a process called tidal heating, gravitational tugs from Jupiter's moons and the planet itself stretch and squish the moons enough to warm them. Io experiences tidal heating primarily because _____. Study with Quizlet and memorize flashcards containing terms like Why do jovian planets bulge around the equator, that is, have a "squashed" appearance?, How do astronomers think Jupiter generates its internal heat?, How does. View full documentStudy with Quizlet and memorize flashcards containing terms like Which of the following statements about the moons of the jovian planets is NOT true?, 1. Orbital and rotational energy are dissipated as heat in the crust of the moon. oʊ /), or Jupiter I, is the innermost and third-largest of the four Galilean moons of the planet Jupiter. Question: From Part A, Io’s elliptical orbit is necessary to its tidal heating. Saturn's rings are composed of. Process of Science: Tidal Heating Part A Io experiences tidal heating primarily because _____. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. View full documentIo experiences tidal heating primarily because _____. The tidal bulge even changes direction slightly. Jupiter's moons are hot. it is located very close to Jupiter. Study with Quizlet and memorize flashcards containing terms like what makes up the solar system?, Terrestrial planets, Jovian Planets and more. a. Io experiences tidal heating primarily because _____. Study with Quizlet and memorize flashcards containing terms like The two jovian planets that contain the highest proportions of hydrogen compounds are, Io, Enceladus and more. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. Io's elliptical orbit is necessary to its tidal heating. Io's. What moon is the most volcanically active. Io experiences tidal heating primarily because _____. Io experiences tidal heating primarily because _____. Io periodically passes Europa and Ganymede in the same orbital position. Question: Io experiences tidal heating primarily because _____. a. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. 5. Identified Q&As 100+ Solutions available. This. Io experiences tidal heating primarily because. is farther from Jupiter. Study with Quizlet and memorize flashcards containing terms like Based on current evidence, the elements needed for life are found, how does the strength of sunlight (per unit area) depend on distance from the sun, what are three advantages for water over methane, ethane and ammonia as a potential liquid medium for life and more. Jupiter. Tidal heating of Io (also known as tidal working) occurs through the tidal friction processes between Jupiter and its moon. Thus the tidal force on Europa is a quarter that on Io. Therefore, the fact that Io is the most volcanically active world in the solar system indicates that it must have an ongoing internal heat source, which we identify as tidal heating. It is strongest when. We need to know their orbital periods. a. But apparent brightness follows an inverse square law with distance, so the fact that Star A is twice as far away makes it 2 2 = 4 times dimmer. c-visible light. If our eyes were sensitive only to X rays, the world would appear __________. io is located very close to jupiter. As you learned in Part A, Io's elliptical orbit is necessary to its tidal heating. Io is unique in our Solar System because it gets most of its internal energy from this tidal heating, providing an ideal laboratory for improving our understanding of this fundamental process that plays a key role in the thermal and orbital evolution of the Moon, satellites in the outer Solar System, and extrasolar planets. Tidal heating is responsible for the geologic activity of the most volcanically active body in the Solar System: Io, a moon of Jupiter. TRUE . This can be because of the tidal heating that occurred when the moon was captured. 2. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. Learn vocabulary, terms, and more with flashcards, games, and other study tools. hints io experiences tidal heating primarily because _____. d) its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. When it’s farther from Jupiter, the tidal effect is weaker and Io is more spherical. c) it has an elongated shape that makes it look more like an egg than a sphere. Likewise, each body also experiences a tidal force due to gravity. io is located very close to jupiter. Europa is thought to contain 8% ice and water by mass with. Suppose that future observations. Io is made of relatively soft materials that deform quite easily Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter Io is located very close to Jupiter Io has an unusually elongated shape that makes it look more like an egg than a sphereIo experiences tidal heating primarily because _____. 6. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Part AIo experiences tidal heating primarily because _____. Create flashcards for FREE and quiz yourself with an interactive flipper. Answer: A. Answer: Io’s elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. Item 2 Learning Goal: To understand how we use the theory of gravity and tidal heating to explain observable characteristics of the Galilean moons of Jupiter. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. B) Jupiter is made. Io is unique in our Solar System because it gets most of its internal energy from this tidal heating, providing an ideal laboratory for improving our understanding of this fundamental process that plays a key. . Click the card to flip 👆. lo's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. d) its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. 13) All the following statements are true. obey any special signs or instructions as you pass is the correct option this is because of the fact that there are always some mandatory instructions written over the construction sites which either restricts the passage of traffic or labels the sign of divergence. Io experiences strong internal tidal heating because of: the strong tidal force from the massive Jupiter combined with its elliptical orbit. ). Io experiences tidal heating primarily because _____. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. C. Io’s extreme tidal heating drives its extreme geology—so it is only natural to try to use Io’s geology to investigate Io’s interior structure and tidal heating. Click the card to flip 👆. The tidal force is the constant throughout Io's orbit. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. active volcanoes on Io is farther from Jupiter 51 terms AST 111 exam 1 Sirola what shape is Scorpius what is Scorpius heart and brightest What shape is csmart1997 DavidPratt512 karleymarieStudy with Quizlet and memorize flashcards containing terms like radiation with a spectrum whose shape depends only on the temperature of the emitting object, a shorter average wavelength, (1) heat deposited by the process of formation; (2) heat released by radioactive decay and more. )Explanation: Io, one of Jupiter's moons, experiences tidal heating primarily due to the intense gravitational pull of Jupiter. Io experiences tidal heating primarily because _____. Terms in this set (16) Io experiences tidal heating primarily because __________. Io experiences strong tidal heating primarily because _____. B. This means that each orbital period (every 1. What are the main characteristics of Io? - volcanoes currently erupting - hot , glowing. , Which of the following statements correctly describes the motion of the particles in Saturn's rings? and more. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. New models of Io's equilibrium thermal state are constructed using self-consistent calculations of tidal. Tidal heating is a phenomenon that occurs when the gravitational pull of a nearby massive object, such as a planet or moon, causes tidal forces on a celestial body. 2. its elliptical orbit causes the tidal force to vary as io orbits jupiter. Students. is farther from Jupiter b. This orbital. Saturn's rings look bright because __________. PROBLEM1 ThefollowingimagesshowEarthandthefourjovianplanetsofoursolarsystemRank from ASTRONOMY 120 at Nonesuch School. 2007; Lainey et al. Its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. Assuming that other planetary systems form in the same way as our solar system formed where would you expect to find terrestrial planetsIo's unusual, egglike shape active volcanoes on Io the orbital resonance between Io, Europa, and Ganymede Io's surprisingly elliptical orbit. tions and the corresponding tidal heating increases as the orbit becomes more elliptical. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. Europa's surface - smooth surface, youngStudy with Quizlet and memorize flashcards containing terms like what types of evidence for recent or ongoing geological activity have been observed on one or more jovian moons?, IO, ganymede and more. Io experiences tidal heating primarily because _____ Its elliptical orbit causes the tidal force to vary as Io orbits Jupiter As you saw in Part A, Io's elliptical orbit is necessary to its tidal heating. This indicates that they are composed primarily of. Part D Orbital resonance also gives Europa an elliptical orbit so it experiences from MA 3 at Stevens Institute Of Technology. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter The strength of the tidal force depends on Io's distance from Jupiter, so the tidal force varies as Io moves around its elliptical orbit. 3. The four largest moons of Jupiter in order of distance from Jupiter: Io, Europa, Ganymede and Callisto. Tidal heating happens when the gravity of an object is strong enough to flex and bend a planet or moon in orbit around it. Io experiences tidal heating primarily because _____. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. It is strongest when Io is farthest from Jupiter and weakest when Io is closest to Jupiter. is farther from Jupiter. What is the Cassini division of Saturn's rings? a large gap, visible from Earth. Answer: its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. and more. Tidal Heating. On Io, this heating produces volcanic activity that is far more active and intense than volcanism on Earth. This is caused by the heating mechanism of Io. a-gray, black, and white like a medical X ray. Io experiences tidal heating primarily because ________. a-gray, black, and white like a medical X ray. Io periodically passes Europa and Ganymede in the same orbital position. Io experiences tidal heating primarily because _____. This can be because of the tidal heating that occurred when the moon was captured. 6 km. the material in the rings is hot and creates its own light. Assignment 6-Solutions masteringastronomy: print view with answers all assignments assignment 6 edit overview diagnostics print view with answers assignment 6However, Europa experiences less tidal heating than Io, because Europa _____ than Io. The tidal force varies. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter We cannot see tidal forces or tidal heating; rather, we predict that they must occur based on the orbital characteristics of the moons. As you learned in Part A, Io's elliptical orbit is necessary to its tidal heating. obey any special signs or instructions as you pass. View full document. ”},{“question”:”As you saw in Part A, Io's elliptical orbit is necessary to its tidal heating. Io experiences tidal heating primarily because __________ 1. [{“question”: “Io experiences tidal heating primarily because __________. Tidal heating of Io (also known as tidal working) occurs through the tidal friction processes between Jupiter and its moon. There are a number of explainable patterns among the moons, all related to the fact that the inner moons (starting with Io) experiences the greater tidal distortions which leads to the most heat being delivered to the core. We need to know their orbital periods. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. is farther from Jupiter. docxFind an answer to your question The amount of heat that Io is generating (per kg) due to tidal heating is _____ the amount of heat the Earth is generating (per. Io experiences tidal heating primarily because a. Suppose that future observations show. io is located very close to jupiter. Io tidal heating Two maps showing different end models for tidal heating on Io. Jupiter's moons are hot. d) its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. Io has an elongated shape that makes it look more like an egg than a sphere. oʊ /), or Jupiter I, is the innermost and third-largest of the four Galilean moons of the planet Jupiter. 1. introductory-astronomy; 11. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. Size: Io has a mean. -experiences the most tidal heating. PROBLEM1 ThefollowingimagesshowEarthandthefourjovianplanetsofoursolarsystemRank from ASTRONOMY 120 at Nonesuch School. Io experiences tidal heating primarily because __________. ← Iodine Compounds Typically Kill Microbes By Denaturing Io Experiences Tidal Heating Primarily Because _____. Io experiences tidal heating primarily because. Individual storm systems can interact, resulting in the. d) its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. ragan_wilson3. is farther from Jupiter It is Jupiter's gravity that exerts the primary tidal force on the Galilean moons, and both this force and the difference in this force across a moon (the source of tidal heating. Io tidal heating Two maps showing different end models for tidal heating on Io. Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. C) Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. The correct option is:D) Io is located very close to Jupiter. is farther from Jupiter Feedback: It is Jupiter's gravity that exerts the primary tidal force on the Galilean moons, and both this force and the difference in this force across a moon (the source of tidal heating) weaken with distance from Jupiter. NASA. As you learned in Part A, Io's elliptical orbit is necessary to its tidal heating. Io has an unusually elongated shape that makesit look. 1 / 16. is farther from Jupiter. The jovian moon with the most geologically active surface is. Why is Io's orbit about Jupiter slightly elliptical? because of orbital resonances with the other three Galilean moons. B. Io has an unusually elongated shape that makes it look more like an egg than a sphere Io is made of relatively soft materials that deform quite easily Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter Io is located very close to Jupiter Correct The strength of the tidal. Io is made of relatively soft materials thatdeform quite easily. is farther from Jupiter. biology. This can be. This orbital resonance causes Io to have a more elliptical orbit. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. The major heating source of Earth and the Moon is radioactive heating, but the heating source on Io is tidal heating. Io experiences tidal heating primarily because _____. 3. Active volcanoes on Io D. On Jupiter, the larger the storm, the longer it can last. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter Io's elliptical orbit is a result of the orbital resonance among Io, Europa, and Ganymede. Suppose that future observations show that. The tidal force varies. Io experiences tidal heating primarily because its elliptical orbit causes the tidal force to vary as Io orbits Jupiter --- the strength of tiday force depends on Io's distance from Jupiter, so the tidal force varies as Io moves around its elliptical orbit. ) Tidal heating is stronger for Io than for Europa because ________. A planet or moon that could support life, if any life happened to be on it. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. d) its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. What moon has the thicckest atmosphere with lakes of liquid methane and ethane. This friction generates the heat that is responsible for making Io the most active volcanic place in the solar system! The process by which this occurs is known as tidal heating. We now know of many Jupiter-size planets around other stars. a) it is located very close to Jupiter. c) it is located very close to Jupiter. C. Note in the video the tidal stretching of io is. Although there are no oceans on Io, its "solid ground" tides are more than five times as high as the highest ocean tides on Earth! Actually, Earth has solid ground tides too, but they amount to less than 20 centimeters (about 8 inches). This orbital resonance causes Io to have a more. Chapter 11. Io is made of relatively soft materials that deform quite easily. io's elliptical orbit causes the tidal force on io to vary as it orbits jupiter. VIDEO ANSWER: The question number four is posed. b) it is made of relatively soft materials that deform quite easily. Log in Join. Io is covered in volcanoes while Europa is covered in ice because a) Io is larger than Europa b) Io receives much more sunlight and Europa c) Io is subject to stronger tidal heating than Europa c Which of the following is not an indication of liquid water beneath Europa's icy surface a) the moon's changing magnetic field b) the moon's average. Pages 13. Orbital resonance also gives Europa an elliptical orbit, so it experiences tidal heating, too. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. 249. Io has an elongated shape that makes it look more like an egg than a sphere. c) it has an elongated shape that makes it look more like an egg than a sphere. The tidal response can be obtained using the mass and momentum conservation equations for both layers under appropriate boundary conditions. Io experiences tidal heating primarily because _____. It is located very close to Jupiter d. Study with Quizlet and memorize flashcards containing terms like This is not plausible. Note that it is possible to achieve the patterns shown in Figure 1 for a wide range of total heat magnitudes, because the patterns are primarily a result of the layer. Part A. Study with Quizlet and memorize flashcards containing terms like Which moon phase rises at mid afternoon (roughly 3pm) ?, Why is it so difficult to send people to Mars?, The sun formed roughly on the 1st of which month? and more. Io tidal heating. Io experiences tidal heating primarily because _____. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. c) it has an elongated shape that makes it look more like an egg than a sphere. From Part A, Io's. Io experiences tidal heating primarily because _____. Plates move only a few centimeters per year, so a continent could not be subducted in a few thousand years. 5 to 4. c. Europa-have lower melting point than rocky moons like Earth's Moon. is farther from Jupiter b. Io experiences tidal heating primarily because _____. A moon orbits a planet because of the gravitational force between them. This is caused by the heating mechanism of Io. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. As you saw in Part A, Io's elliptical orbit is necessary to its tidal heating. a) it is located very close to Jupiter. Rank the scenarios from weakest to strongest tidal force exerted on a moon by a planet. As you learned in Part A, Io's elliptical orbit is necessary to its tidal heating. however, Europa experiences less tidal heating than Io, because. io is made of relatively soft materials that deform quite easily. Io experiences tidal heating primarily because ___ Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. (b)Spacecraft images show fountains of ice spraying into space from Saturn's moon_____. Why is Io more volcanically active than our moon?. light from Saturn reflects off the material in the rings. Study with Quizlet and memorize flashcards containing terms like The larger of the jovian moons compared to Mercury and Mars, What do we mean when we say that a moon is in synchronous rotation?, Io's main distinction and more. is more perfectly spherical in shape d. Io experiences tidal heating primarily because __________. 4. internal friction in the moon’s structure. As you saw in Part A, Io's elliptical orbit is necessary to its tidal heating. ), with recent astrometric observations supporting a value of 2. Launch the video below, then answer the following questions. Io is made of relatively soft materials that deform quite easily. It is strongest when Io is farthest from Jupiter and weakest when Io is closest to Jupiter. Io takes 1. Callisto : - entire surface appears heavily cratered and ancient. Total views 100+ Arizona State University. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. Slightly larger than Earth's moon, Io is the fourth-largest moon in the Solar System, has the highest density of. 0 W m (Moore et al. Io (/ ˈ aɪ. Why are Saturn's rings so thin?.