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. Jupiter. We cannot see tidal forces tidal heating; rather, we predict that they must occur based on the orbital characteristics of the moons. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. Suppose that future observations. it is made of relatively soft materials that deform quite easily. Tidal heating. 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. Based on this diagram, "red sequence" galaxies are __________ than "blue cloud" galaxies. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. Study with Quizlet and memorize flashcards containing terms like what are the two types of planets?, Name the terrestrial planets, what are the terrestrial planets like and more. The tidal bulge even changes direction slightly,. 24 ± 0. 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. This is caused by the heating mechanism of Io. The major heating source of Earth and. , As you learned in Part A, Io's elliptical orbit is necessary to its tidal heating. Io periodically passes Europa and Ganymede in the same orbital position. 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. From Part A, Io's. Part a io experiences tidal heating primarily because. It experiences a large pull from the planet not onlyAnswer: B. - heavily cratered terrain adjacent to fairly smooth terrain. Io experiences strong tidal heating primarily because _____. 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. “Resonance creates loads more heating,” Hay said. Io experiences tidal heating primarily because _____. io is made of relatively soft materials that deform quite easily. is farther from Jupiter. 1 Tidal force on Io and its deformation Whatever celestial bodies experience tidal forces, and they can be significantly larger when the center body’s mass is huge and the distance between those two bodies is quite small. Suppose that future observations. 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? A) Jupiter is made mostly of hydrogen, Saturn is made mostly of helium, Uranus is made mostly of hydrogen compounds, and Neptune is made mostly of rock. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. In the top case, tidal heating occurs in Io’s deep mantle resulting in most of its internal heat being released at the poles. the strong tidal force from the massive Jupiter combined with its elliptical orbit which causes the strength and direction of the force to constantly change. Io has an unusually elongated shape that makesit look. As you saw in Part A, Io's elliptical orbit is necessary to its tidal heating. Lo experiences tidal heating primarily because _____. As you saw in Part A, Io's elliptical orbit is necessary to its tidal heating. Claudio Learn with flashcards, games, and more — for free. C. Io experiences strong tidal heating primarily because _____. io is made of relatively soft materials that deform quite easily. Identified Q&As 31. io is located very close to jupiter. Io experiences strong, periodic, gravitational tides from Jupiter because of its close distance to the planet and its elliptic orbit. This means that each orbital period (every 1. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. Saturn's rings are composed of. Question: Io experiences tidal heating primarily because _____. Study Resources. Therefore adding fluid-body tidal heating to Io maintains the mechanism of tidal-convective (or tidal-advective) equilibrium, and will lead to equilibria at a modestly higher. a) it is located very close to Jupiter. We now know of many Jupiter-size planets around other stars. 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. Io experiences tidal heating primarily because _____. Assignment 6-Solutions masteringastronomy: print view with answers all assignments assignment 6 edit overview diagnostics print view with answers assignment 6 However, Europa experiences less tidal heating than Io, because Europa _____ than Io. 2/1/2021. 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. Io experiences tidal heating primarily because _____. is farther from Jupiter b. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. however, Europa experiences less tidal heating than Io, because. The correct option is:D) Io is located very close to Jupiter. io's elliptical orbit causes the tidal force on io to vary as it orbits jupiter. 1. Io has a similar mass and size as the Moon, but Io is the most geologically active body in the Solar System. b) it is made of relatively soft materials that deform quite easily. Io's elliptical orbit is necessary to its tidal heating. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. The wind, the sun, and Earth are sources of renewable energy . Io experiences tidal heating primarily because a. . Io experiences tidal heating primarily because __________. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. internal friction in the moon’s structure. Click the card to flip. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. Io tidal heating. is farther from Jupiter. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. Because of Europa’s location between Io and the more massive Ganymede, it also undergoes this same Thus (tidal force on Europa)/(tidal force on Io) = (Io orbital radius) 3 /(Europa orbital radius) 3 = 421. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. It is strongest when Io is closest to Jupiter and weakest when Io is. Io experiences tidal heating primarily because _____. Saturn's rings are composed of. 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. Terms in this set (108) Io experiences tidal heating primarily because __________. Saturn's rings are composed of. 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. Is Europa or Io further from Jupiter. Io's elliptical orbit is necessary to its tidal heating. 9/14/2023. This elliptical orbit, in turn, is a result of the orbital resonance among Io. lo's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. in Physics & Space Science. 2009; Veeder et al. io has an elongated shape that makes it look. Io's elliptical orbit causes the tidal force onIo to vary as it orbits Jupiter. Suppose that future observations show that. Strong evidence both from surface features and. Question: Io experiences tidal heating primarily because _____. Pages 20. Upload to Study. 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 force depends on Io's distance. Io has a similar mass and size as the Moon, but Io is the most geologically active body in the Solar System. (c)Jupiter has three moons for which there is evidence of a global, subsurface ocean of. Lo experiences tidal heating primarily because _____. Suppose that future. A. c. C. Orbital and rotational energy are dissipated as heat in the crust of the moon. We now know of many Jupiter-size planets around other stars. Io experiences strong internal tidal heating because of. , Saturn's rings look bright because _____. C) Io exhibits synchronous rotation, meaning that its rotation period and orbital period are the same. )Explanation: Io, one of Jupiter's moons, experiences tidal heating primarily due to the intense gravitational pull of Jupiter. 24 ± 0. Saturn’s rings are composed of _____. Io experiences tidal heating primarily because _____. Answer: Io’s elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. , As you saw in Part A, Io's elliptical orbit is necessary to its tidal heating. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. e-radio waves. Some jovian planets give off more energy than they receive because of. Io experiences strong tidal heating primarily because _____. Its elliptical orbit causes the tidal force to vary as Io orbits JupiterPart A Io experiences tidal heating primarily because _____. B. Its elliptical orbit causes the tidal force to vary as Io orbits Jupiter Part A Io experiences tidal heating primarily because _____. Io experiences tidal heating primarily because _____. Io is made of relatively soft materials thatdeform quite easily B. Orbital and rotational energy are dissipated as heat in the crust of the moon. ). This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. B. Io experiences tidal heating primarily because _____. The moon of Jupiter is volcanic. Io experiences tidal heating primarily because ___. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. Doc Preview. Io experiences tidal heating primarily because _____. question. Mimas, Enceladus, Tethys, Dione, Rhea, Titan, and Iapetus. 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. This is caused by the heating mechanism of Io. (A fuller explanation is given in the section on Io. Mastering Astronomy Online Hw with Dr. d) its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. These energy sources naturally renew, or replenish themselves. Orbital resonance also gives Europa an elliptical orbit, so it. silicates (rocks) and ices. c-dark because X-ray light does not reach Earth's surface. At this rate, what fraction of its mass would Io lose in 1. We now know of many Jupiter-size planets around other stars. [{“question”:”Which statement about Io is true?”,”answer”:”It is the most volcanically active body in our solar system. Launch the video below, then answer the following questions. is much smaller c. The inner moons have few or no. Io is made of relatively soft materials thatdeform quite easily Io has an unusually elongated shape that makesit look more like an egg than a sphere Io's elliptical orbit causes the tidal force onIo to vary as it orbits JupiterStudy with Quizlet and memorize flashcards containing terms like what is the ranking of Jovian planets distance from the S (closest to farthest), what is the ranking of Jovian planet's radius (smallest to largest), Jupiter and Saturn (2) and more. What are the main characteristics of Io? - volcanoes currently erupting - hot , glowing. From Part A, Io's elliptical orbit is necessary to its tidal heating. Io tidal heating Two maps showing different end models for tidal heating on Io. This leads to gravitational flexing or kneading in their centers, which can heat them—an effect called tidal heating. 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. . However, Europa experiences less tidal heating than Io, because Europa _____ than Io. Study with Quizlet and memorize flashcards containing terms like For the purposes of seeking a theory to explain the formation of the solar system, we identify four major features of our solar system. (A. b) it is made of relatively soft materials that deform quite easily. Estimates of Io's global mean heat flow generally range from 1. The results could inform future missions, such as Europa Clipper. Two possible resonance scenariosIo experiences tidal heating primarily because of what. Io experiences tidal heating primarily because __________. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. a) Io is located very close to Jupiter b) Io is made of relatively soft materials that deform quite easily c) Io has an unusually elongated shape that makes it look more like an egg than a sphere d) Io’s elliptical orbit causes the tidal force on Io to vary as it orbits JupiterStudy with Quizlet and memorize flashcards containing terms like Io experiences tidal heating primarily because _____. in Physics & Space Science. ← Io Experiences Tidal Heating Primarily Because _____. B. 2. Io experiences tidal heating primarily because hint 1. c) it has an elongated shape that makes it look more like an egg than a sphere. Part AIo experiences tidal heating primarily because _____. View full documentIo experiences tidal heating primarily because _____. This can be. Io (/ ˈ aɪ. 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. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. Io's elliptical orbit is necessary to its tidal heating. Identified Q&As 69. Study with Quizlet and memorize flashcards containing terms like Io experiences tidal heating primarily because _____. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. Orbital resonance also gives Europa an elliptical orbit, so it experiences tidal heating, too. , Radioactive Decay, Size and more. Based on this diagram, "red sequence" galaxies are __________ than "blue cloud" galaxies. D. The correct option is:D) Io is located very close to Jupiter. d) its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. Question: A supply chain involves _____. Answer: a group of manufacturers. Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. This orbital resonance causes Io to have a more elliptical orbit than it would otherwise, because _____. This orbital resonance causes Io to have a more elliptical orbit than it would otherwise, because _____. Study with Quizlet and memorize flashcards containing terms like Rank the following items according to their size (diameter) from left to right, from largest to smallest. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. - most distant from Jupiter of these four moons. All orbiting object cause tides on each other. 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 easily Io experiences tidal heating primarily because _____ Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. ’s. a. To experiences tidal heating primarily because d) its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. Tidal heating (also known as tidal working or tidal flexing) occurs through the tidal friction processes: orbital and rotational energy is dissipated as heat in either (or both) the surface ocean or interior of a planet or satellite. This orbital resonance causes Io to have a more elliptical orbit than it would otherwise, because _____. Figure A shows the expected distribution of heat on Io’s surface if tidal heating occurred primarily within the deep mantle, and figure B is the surface heat flow pattern expected if heating. This is caused by the heating mechanism of Io. Thin-shell Dynamics. Io experiences tidal heating primarily because _____. As you learned in Part A, Io's elliptical orbit is necessary to its tidal heating. June 25, 2023 Dwayne Morise. , Which of the following statements correctly describes the motion of the particles in Saturn's rings? and more. However, this is complicated by the sheer complexity of Io’s geology, coupled with the lack of complete data. c) it is located very close to Jupiter. , In what part of the solar system is Pluto found?, Where are most of the known asteroids found? and more. a. light. is more perfectly spherical in shape d. Callisto : - entire surface appears heavily cratered and ancient. As you saw in Part A, Io's elliptical orbit is. (Without the orbital resonance with Europa and Ganymede, Io's orbit would be more circular and there would be much less tidal heating. Thus the tidal force on Europa is a quarter that on Io. What is the source of the tidal force acting on Io? The tidal force that acts on Io is due primarily to the gravity of _____. Study with Quizlet and memorize flashcards containing terms like Which jovian planet should have the most extreme seasonal changes?, Why is the radiation so intense in the region that traces Io's orbit around Jupiter (the Io torus)?, How do astronomers think Jupiter generates its internal heat? and more. Io experiences tidal heating primarily because _____. Chapter 11. Which one is most important in explaining the tremendous tidal heating that occurs on Io? A) Io orbits Jupiter on an elliptical orbit, due to orbital resonances with other satellites. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. These gravitational forces create friction within Io, resulting in heat. Why are Saturn's rings so thin?. Io experiences tidal heating primarily because _____. A situation in which one object's orbital period is a simple ratio of another object's period, such as 1/2, 1/4. Io can help us understand volcanism and tidal heating throughout the Solar System. Study with Quizlet and memorize flashcards containing terms like what makes up the solar system?, Terrestrial planets, Jovian Planets and more. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. Io experiences tidal heating primarily because _____. , The jovian planets in our solar system are _____. io's elliptical orbit causes the tidal force on io to vary as it orbits jupiter. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. Io experiences tidal heating primarily because _____. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. a. B. Click the card to flip 👆. What planet has no solid surface, its outer layers are gaseous liquid, then. Final answer: Lo experiences tidal heating primarily due to its elliptical orbit around Jupiter, which creates changing gravitational forces that flex and stretch the moon's interior, generating heat. 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 strong internal tidal heating because. Io experiences tidal heating primarily because _____. Very high surface temperatures and high salinities make this one of the warmest and saltiest. 7. As you learned in Part A, Io's elliptical orbit is necessary to its tidal heating. Suppose that future observations show that one. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. Estimates of Io's global mean heat flow generally range from 1. Io is made of relatively soft materials thatdeform quite easily. Involves The Uptake Of Free Dna By Competent Bacterial Cells →. Thus, the surface of Io is constantly renewing itself, filling in any impact craters with molten lava lakes and spreading smooth new floodplains of liquid. Io's eccentricity persists as the result of its. This leads to gravitational flexing or kneading in their centers, which can heat them—an effect called tidal heating. When an object is in an elliptical orbit, the tidal forces acting on it are stronger near. Study with Quizlet and memorize flashcards containing terms like Suppose you view the solar system from high above Earth's North Pole. B. and more. chapter 11. A tidal force results from the unequal gravitational pull on two sides of a body. Doc Preview. - Io's elliptical orbit causes the tidal force on io to vary as it orbits Jupiter. It is strongest when Io is farthest from Jupiter and weakest when Io is closest to Jupiter. Io experiences tidal heating primarily because _____. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Io experiences tidal heating primarily because _____. Hint 1. 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 the figure. We now know of many Jupiter-size planets around other stars. Question: Io experiences tidal heating primarily because _____. TRUE . oʊ /), or Jupiter I, is the innermost and third-largest of the four Galilean moons of the planet Jupiter. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. Upload to Study. Io has an unusually elongated shape that makesit look more like an egg than a sphere. Io experiences tidal heating primarily because. 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. This is a naturally occurring process in satel-lites where the driving force is the gravitational pull of the parent planet, and is commonly referred to as tidal heating,The trick to tidal heating is a phenomenon called tidal resonance. d-infrared light. [4] Heat transport by convection in Io’s mantle also depends strongly on the temperature, increasing with tem-perature as the viscosity drops (Figure 1). lo. A tidal force results from the unequal gravitational pull on two sides of a body. c) it has an elongated shape that makes it look more like an egg than a sphere. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. Slightly larger than Earth's moon, Io is the fourth-largest moon in the Solar System, has the highest density of. 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. However, Europa experiences less tidal heating than Io, because Europa _____ than Io. "Basically, if you push any object or system and let go, it will wobble at its. The four largest moons of Jupiter in order of distance from Jupiter: Io, Europa, Ganymede and Callisto. resonance. Being. Contours of tidal heating [W] in a two-layer Io as a function of viscosity (η) and shear modulus (μ) of the mantle. As you saw in Part A, Io's elliptical orbit is necessary to its tidal heating. Io experiences tidal heating primarily because __________. 8 days!) Io is being stretched – by as much as 330 feet! – then allowed to relax back to a less distorted shape. Countlessly icy particles , ranging in size from dust grains to large boulders. 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. The major heating source of Earth and the Moon is radioactive heating, but the heating source on Io is tidal heating. Io Is The Amount Of Inventory. is farther than jupiter. 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) weaken with distance from Jupiter. Io's proximity to the Sun provides a current source of internal heat. 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. 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. How do we know that the surfaces of the inner Galilean moons of Jupiter are younger than those of the outer moons? A. VIDEO ANSWER: The question number four is posed. Expert Help. , Rank the following items that describe distances from longest distance (left) to shortest distance (right). Io experiences tidal heating primarily because _____. Identify the statements that correctly describe the characteristics of storm systems on Jupiter. Io's elliptical orbit is necessary to its tidal heating. Io experiences tidal heating primarily because _____. A dramatic increase in convective heat flux occurs above the solidus,Tidal Heating in Io INTRODUCTION The deformation of an object in response to an external time-varying force generates frictional energy that heats its interior. b) it is made of relatively soft materials that deform quite easily. ). its elliptical orbit causes the tidal force to vary as io orbits jupiter. Process of Science: Tidal Heating Part A Io experiences tidal heating primarily because _____. “, “answer”: “its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. Verified answer. a) it is located very close to Jupiter. 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) weaken with distance from Jupiter. Io experiences tidal heating primarily because _____. Study with Quizlet and memorize flashcards containing terms like The planet in our solar system with the highest average surface temperature is _____. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede. Because of the time-varying distance and direction of Jupiter, the size and direction of the moon’s tidal bulge also varies, resulting in tidal heating. a) it is located very close to Jupiter. The tidal bulgeeven changes direction slightly because the orbital speed varies. d) its elliptical orbit causes the tidal force to vary as Io orbits Jupiter. The tidal force varies. c) it has an elongated shape that makes it look more like an egg than a sphere. c-visible light. question. Saturn's rings look bright because _____. Rank these planets from left to right based on their mass, from lowest to highest. It is located very close to Jupiter d. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter This orbital resonance causes Io to have a more elliptical orbit than it would otherwise, because __________. a) it is located very close to Jupiter. Suppose that future observations show that. a-gray, black, and white like a medical X ray. Io, Europa and Ganymede periodically return to the same orbital positions, creating the same gravitational tugs. Io experiences strong internal tidal heating because of: the strong tidal force from the massive Jupiter combined with its elliptical orbit. Part A. Io is made of relatively soft materials thatdeform quite easilyIo has an unusually elongated shape that Io experiences tidal heating primarily because __________. Io experiences tidal heating primarily because _____. The tidal force varies. Answer: Io’s elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. Europa-have lower melting point than rocky moons like Earth's Moon. Io experiences tidal heating primarily because __________. c) it has an elongated shape that makes it look more like an egg than a sphere. C) Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter. NASA. oʊ /), or Jupiter I, is the innermost and third-largest of the four Galilean moons of the planet Jupiter. Io's elliptical orbit causes the tidal force on Io to vary as it orbits Jupiter From Part A, Io's elliptical orbit is necessary to its tidal heating. Ganymede . This orbital resonance causes Io to have a more elliptical orbit than it would otherwise, because _____. introductory-astronomy; 11. This elliptical orbit, in turn, is a result of the orbital resonance among Io, Europa, and Ganymede.