Our moon likely formed from a giant impact tens of millions of years after the other planets formed, and makes our Moon the only large satellite of a terrestrial planet known to date. If you could witness one event past, present, or future, what would it be? Jupiter has four large moons, the largest being Ganymede,. visible on the near site. Unlike bodies such as Haumea, the irregular bodies have a significantly non-ellipsoidal profile, often with sharp edges. The top 10 biggest moons in our Solar System are genuinely gigantic, with some of them being even bigger than some of the Solar Systems planets, like Mercury, or they make dwarf planets such as Pluto, Eris, Haumea, Makemake, or Ceres, look small. Montage by Emily Lakdawalla. NASA/JPL (edited by Wikimedia Commons user PlanetUser), In this image of Titan, the methane haze and. Margot (2015), via http://arxiv.org/abs/1507.06300. Namesake In mythology, Ganymede ("GAN uh meed") was a beautiful young boy who was carried to Olympus by Zeus (the Greek equivalent of the Roman god Jupiter) disguised as an eagle. Still, it has an iron core that generates its own magnetic field, which dominates very close to the surface even over the enormous magnetic field of nearby parent planet Jupiter. Cold As Ice (Series) by Charles Sheffield, The Ice Orphan of Ganymede by Leonardo Ramirez, The Gentle Giants of Ganymede by James P. Hogan. Several NASA probes have explored Jupiter and its moons, including Ganymede. Ganymede is the only moon known to have its own magnetic field something typically found on planets like Earth. Both the planet Mercury and planet Venus have no moon. [5] Further out from Saturn, the sizes and masses of objects are less clear. Most of the trans-Neptunian objects (TNOs) listed with a radius smaller than 200km have "assumed sizes based on a generic albedo of 0.09" since they are too far away to directly measure their sizes with existing instruments. This is a common size for asteroids, comets and irregular moons. A composite of ultraviolet, optical, and infrared light was used to construct this view. Relative masses of the Solar planets. Ganymede became the cupbearer of the Olympian gods. It basically weighs 80 times less than our Earth. Let's first do some fact-checking - so we can be sure your source is OK: Ganymede has a diameter of 5,268 km - it is the largest moon in the Solar system. Its smoke-emitting cryovolcanoes point to a subsurface ocean and ongoing activity. Thats why most moons are covered in craters. But these tiny particles that float about and settle on surfaces play an important role across the solar system. The Moon is 8.20 light minutes away, or 500 light-seconds away from the Sun. A simple mass-distance relationship could extend this definition to other Solar Systems as well, transforming the IAUs current definition into a universal one that defines planets for exoplanetary systems as well. The surface was entirely devoid of impact craters, which is strange given the number of craters on other moons around Jupiter. Some moons are so large that if they were orbiting the Sun instead of a planet, they would likely be considered planets in their own right. Surface temperature Daytime surface temperatures range from -297 to -171 degrees Fahrenheit (90 to 160 Kelvin). The exterior was covered in rivers, streams, lakes, and seas. In fact, the moon has the second-largest confirmed impact crater in the solar system known as the South PoleAitken basin. Mercury has a diameter of 4,880 km - so it is indeed almost 10% smaller than Ganymede. Titan also surpasses Mercury in size, but has little else in common with virtually airless Ganymede. However, the orbital paths of nearby moons didnt match up with the image. Ganymede: Jupiter's largest moon is the largest non-planet in the Solar System. In 2023, NASAs Volatiles Investigating Polar Exploration Rover (VIPER) will land near the western edge of the Nobile Crater at the Moons South Pole. List of gravitationally rounded objects of the Solar System, List of near-Earth asteroids by distance from Sun, List of Solar System objects most distant from the Sun, "Small Body Density and Porosity: New Data, New Insights", "Planetary Satellite Physical Parameters", "How many dwarf planets are there in the outer solar system? However, some of the moons of Jupiter and Saturn are much larger than our Moon. It would still be far too thin to breathe, though. The Next Full Moon is the Harvest Moon, the Fruit Moon, the Barley Moon, and the Corn Moon. If it didnt, then it is highly possible that it would collide with our Earth. There has not yet been an orbiter around Uranus or Neptune for long-term study of their moons. It includes activities that can be done at home as well as videos, animations, stories, and articles. What planets moons are larger than Pluto and mercury? In terms of wideness, Russia has an east-west extent of around 9,000 km / 5,600 mi, and a north-south width of 2,500 to 4,000 km / 1,500 to 2,500 mi. Contents Is IO bigger than Mercury? Its bigger than Mercury and Pluto. Beneath its frozen, icy surface, a liquid water of ocean is heated by tidal forces from Jupiter. Unfortunately, the surface of Titan is hidden beneath its dense atmosphere of hydrocarbons. The next few months opens the way to greater opportunities, as well as challenges as transiting. The Moons diameter is 3,474 km / 2,158 mi, and it is the biggest Moon in the Solar System relative to the size of its planet. Those moons are Ganymede, Callisto, Io, and Europa. With a diameter of 5,268 km (3,271 miles), it's 8% bigger than the planet Mercury, although it has less than half . For example, Titan looks bigger than Ganymede, but its solid body is smaller. (2022) The equilibrium shape of (65) Cybele: primordial or relic of a large impact? Rhea, on the other hand, is bigger only than the dwarf planets Makemake and Ceres. anti-Jupiter hemisphere comes from the Galileo spacecraft. Pluto is the 8th largest non-Planet in our Solar System; Charon ranks at number 17. Although Galileo discovered Io over 400 years ago, virtually everything about Io was a mystery until the Voyager flybys in the late 1970s. Uranus has 27 moons, Neptune has 14 moons, and Mars has 2 moons. Moons vary in size, shape, and composition, and our Moon is in the top 10 list of the biggest satellites in our Solar System. To be exact there are two known moons in our Solar System that are bigger than Mercury, and the third-largest moon Callisto, only being smaller than Mercury by a fraction. The Moons composition is very similar to the composition of Earth rocks, making it unique among all the large non-planetary objects in the Solar System. A new study finally reveals higher-frequency X-rays and explains why they eluded another mission 30 years ago. Jupiter is 5.2 astronomical units away from the Sun. NASA's Europa Clipper is on the Case, Hubble's Grand Tour of the Outer Solar System, NASA Outlines Challenges, Progress for Artemis Moon Missions, Mocha Swirls in Jupiter's Turbulent Atmosphere, NASA's Juno: Science Results Offer First 3D View of Jupiter Atmosphere, Are We Alone in the Universe? Many TNOs are often just assumed to have Pluto's density of 2.0g/cm3, but it is just as likely that they have a comet-like density of only 0.5g/cm3.[4]. Observations suggest it has an underground ocean beneath the surface, possibly containing even more water than planet Earth possesses. A teacher walks into the Classroom and says If only Yesterday was Tomorrow Today would have been a Saturday Which Day did the Teacher make this Statement? There is little to no history of geologic activity on Callisto, so its surface has experienced virtually no change over its 4.5-billion-year history. Others are so small that they are more closely related to asteroids and meteors than the planets. It even rains liquid methane on the surface. Data from NASA / JPL, JHUAPL/SwRI, SSI, and UCLA / MPS / DLR / IDA, processed by Gordan Ugarkovic, Ted Stryk, Bjorn Jonsson, Roman Tkachenko, and Emily Lakdawalla. NASA scientists are calling for a framework that provides context for findings related to the search for life. It does have its own internal heat source: primarily from the decay of radioactive elements. Huygens gave scientists their first good look at the surface, revealing a world that looked more like the Earth than a typical moon. It is also bigger than Mercury and all the other dwarf planets. Titania is smaller than Pluto but bigger than Haumea, Makemake, and Ceres. If Ganymede formed in orbit around the Sun rather than Jupiter, it would likely be defined as a planet. Mass switches from 1021 kg to 1018 kg (Zg). Pluto is smaller than Earth's moon. Titans atmosphere is the richest of any moon in the Solar System, with an atmospheric pressure at its surface greater than even that of Earth. This makes Ganymede even larger than the planet Mercury, which has a diameter of 3,032 miles (4,879 kilometers). This makes Ganymede even larger than the planet Mercury, which has a diameter of 3,032 miles (4,879 kilometers). ", "JPL Small-Body Database Browser: 67P/Churyumov-Gerasimenko", "JPL Small-Body Database Browser: 4183 Cuno (1959 LM)", "The Ginger-shaped Asteroid 4179 Toutatis: New Observations from a Successful Flyby of Chang'e-2", "(285263) 1998 QE2 Goldstone Radar Observations Planning", "JPL Small-Body Database Browser: 3753 Cruithne (1986 TO)", "New study reveals twice as many asteroids as previously believed", "JPL Small-Body Database Browser: 2102 Tantalus (1975 YA)", "JPL Small-Body Database Browser: 1862 Apollo (1932 HA)", "JPL Small-Body Database Browser: 85989 (1999 JD6)", "JPL Small-Body Database Browser: 4769 Castalia (1989 PB)", "JPL Small-Body Database Browser: 66391 Moshup (1999 KW4)", "Physical modeling of near-Earth Asteroid (29075) 1950 DA", "JPL Small-Body Database Browser: 394130 (2006 HY51)", "JPL Small-Body Database Browser: 3908 Nyx (1980 PA)", "JPL Small-Body Database Browser: 153814 (2001 WN5)", "Hayabusa 2 team sets dates for asteroid landings Spaceflight Now", "JPL Small-Body Database Browser: 65803 Didymos (1996 GT)", "Large Halloween asteroid at lunar distance", "JPL Small-Body Database Browser: 172034 (2001 WR1)", "JPL Small-Body Database Browser: 6489 Golevka (1991 JX)", "Shape model and surface properties of the OSIRIS-REx target Asteroid (101955) Bennu from radar and lightcurve observations", "JPL Small-Body Database Browser: 153201 (2000 WO107)", "JPL Small-Body Database Browser: 163132 (2002 CU11)", "Radar Images of near-Earth Asteroid 2006 DP14", "JPL Small-Body Database Browser: (2010 TK7)", "Shape and Spin of Near-Earth Asteroid 308635 (2005 YU55) From Radar Images and Speckle Tracking", "The Rubble-Pile Asteroid Itokawa as Observed by Hayabusa", "JPL Small-Body Database Browser: 99942 Apophis (2004 MN4)", "NASA Scientists Get First Images of Earth Flyby Asteroid", "Spin Rate of Asteroid (54509) 2000 PH5 Increasing Due to the YORP Effect", "Radar and Optical Observations of Asteroid 1998 KY26", "The 2012 TC4 Observing Campaign Radar observations UPDATE October 12, 2017", "Reports of Meteorite Strike in Nicaragua and Update on Asteroid 2014 RC", https://en.wikipedia.org/w/index.php?title=List_of_Solar_System_objects_by_size&oldid=1132765971, Supplemental IRAS Minor Planet Survey (SIMPS) and IRAS Minor Planet Survey (IMPS), This page was last edited on 10 January 2023, at 13:15. This site is maintained by the Planetary Science Communications team at, Ganymede has an underground saltwater ocean, 40-Year Study Finds Mysterious Patterns in Temperatures at Jupiter, 10 Things: Dust in the Wind (on Mars and Well Beyond), NASA's LRO Finds Lunar Pits Harbor Comfortable Temperatures, NASA Begins Assembly of Europa Clipper Spacecraft, NASA Telescope Spots Highest-Energy Light Ever Detected From Jupiter, Europa Mission Dispatch: Tracking the Stars, NASA's Juno Spacecraft Hears' Jupiter's Moon, Are Water Plumes Spraying from Europa? Ganymede is about 665,000 miles (1.07 million kilometers) from Jupiter, which orbits about 484 million miles (778 million kilometers) from the Sun. The state of Texas, from its farthest point East to West, is about 1,239 km / 770 mi. Managing Editor: *Janet Amid is a columnist & radio/media personality and can be heard Monday mornings 8:10 AM to 8:20 AM with Denny, Suzi, and Paul on 93.5 FM. It was once expected that any icy body larger than approximately 200km in radius was likely to be in hydrostatic equilibrium (HE). NASAs Hubble Space Telescope has completed this year's grand tour of the outer solar system. The Moons radius is only 27% of our Earths radius. orbits Jupiter. It's mass is 0.055 Earths - which is more than twice that of Ganymede! Unlike the other moons on this list so far, however, Europas icy surface and large volume make it the smoothest object in the Solar System, despite its striated appearance. 25 results for "moons that are larger than mercury" hide this ad. addition to them, Neptune and Earth have moons larger than How big is the Moon? Earth's moon is the fifth largest moon in the solar system. Stranger still was that Ios surface was covered in various colors, including yellow, red, and green. The Luna 1 probe traveled at around 10,500 km/hr, and it reached the Moon in just 36 hours. a total of more than 400 active volcanoes, making it the most geologically active object of all. The sea of tranquility (Mare Tranquillitas) was the site of Apollo 11s landing. The heat from tidal flexing, induced from Jupiters gravitational pull, is thought to cause the subsurface ocean to remain liquid, driving the ice to move in a fashion similar to plate tectonics. The discovery, along with his discovery of three other large moons around Jupiter, was the first time a moon was discovered orbiting a planet other than Earth. The next-largest objects on the list include other moons of Saturn (like Rhea and Iapetus) and Uranus (e.g., Oberon), followed by the other dwarf planets of the Kuiper belt and Plutos giant moon, Charon. The most distant of the four Galilean moons around Jupiter, Callisto receives very little tidal heating at this great distance, and isnt locked into the same resonant orbits as Io, Europa, and Ganymede. Orbiting the planet Jupiter is the solar systems largest moon. Like Ganymede, if Titan were to orbit the Sun rather than a planet, it would be considered a planet itself. It might even have ice and oceans stacked up in several layers like a . How to choose your telescope magnification? (2021) VLT/SPHERE imaging survey of the largest main-belt asteroids: Final results and synthesis. Since there are so many moons, it would be difficult to list them all and compare their size. Irv Pollock must have felt that way anyhow! These irregular masses may be rock formations, supported by Ganymede's icy shell for billions of years. is the only natural and permanent satellite of, , while the planet with the most moons is, Moons vary in size, shape, and composition, and our Moon is in the top 10 list of the biggest satellites in our, The top 10 biggest moons in our Solar System are genuinely gigantic, with some of them being even bigger than some of the Solar Systems planets, like, Titan, like its parent planet, also ranks in the second place, being the 2. biggest moon in the Solar System. Titan . Eris can barely be imaged even with the most. Processing by Ted Stryk, Gordan Ugarkovic, Emily Lakdawalla, and Jason Perry. Galileo discovered that these four objects were moons in orbit around Jupiter, and they were later named the Galilean moons of Jupiter. To accomplish this, it will use the stars. Everything else, no matter how large or massive, fails on one of the latter two criteria. Many trans-Neptunian objects (TNOs) have been discovered; in many cases their positions in this list are approximate, as there is frequently a large uncertainty in their estimated diameters due to their distance from Earth. Thus the Moon is smaller in diameter than the United States, however. There is so much to learn from looking at whats around us and where it is. Titan was discovered by the astronomer Christiaan Huygens in 1655, yet pretty much everything about Titan would remain a mystery for centuries. There may be a thin layer of liquid water at the core-mantle boundary of this world, and displays moderate cratering that points towards a resurfacing event relatively early in its history, after most of the impacts affecting the other nearby moons had already occurred. Why Is Biodiversity Critical To Life On Earth? 1.) If we launched a fly-by mission to Eris in 2032, a gravity assist from Jupiter could get a spacecraft there in merely 24.7 years. The average diameter of Mercury is 4879 kilometers. Jupiter is the largest planet and also has the largest moons with Ganymede, Callisto, Io, Europa ranking first, third, fourth, and sixth respectively. There is no energy to power geologic activity without any internal heat that would otherwise reshape the surface. Science instruments and other hardware for the spacecraft will come together in the missions final phase before a launch to Europa in 2024. It is also bigger than Mercury and all the other dwarf planets. Because Ganymede is close to Jupiter, its magnetic field is embedded in, or lies within, Jupiters magnetic field. Wiki User 2014-08-27 21:53:09 This answer is:. With its diameter of 3,273 mi / 5,268 km, it is quite a bit larger than Mercury. Winds in the outermost "lane" of Jupiter's Great Red Spot are accelerating a discovery made possible by Hubble. Although Mercury is the smallest planet, it is still larger than Earth's moon. The second-largest moon in the solar system is Saturns largest moon, Titan. Hubble observations of Europa have revealed the presence of persistent water vapor but, mysteriously, only in one hemisphere. The satellites line up with one another at the same points in their orbits over and over, giving each other a small gravitational tug that keeps their orbits from becoming circular. Mercury is the smallest planet. The Solar System's Major Moons The Solar System contains 18 or 19 natural satellites of planets that are large enough for self-gravity to make them round. Volume-wise, the ratio is 2.768. [11], All imaged icy moons with radii greater than 200km except Proteus are clearly round, although those under 400km that have had their shapes carefully measured are not in hydrostatic equilibrium. In many ways, Io is the counterpoint of Callisto, showcasing what a large Moon can be like with an extraordinary amount of tidal heating from orbiting too close to a gas giant. ", "JPL Small-Body Database Browser: 2685 Masursky (1981 JN)", "JPL Small-Body Database Browser: 1509 Esclangona (1938 YG)", "JPL Small-Body Database Browser: 9P/Tempel 1", "Arecibo Radar Returns with Asteroid Phaethon Images", "Hubble Space Telescope STIS Observations of Comet 19P/BORRELLY during the Deep Space 1 Encounter", "JPL Small-Body Database Browser: 5535 Annefrank (1942 EM)", "JPL Small-Body Database Browser: 3749 Balam (1982 BG1)", "(3749) Balam, S/2002 (3749) 1, and third component", "Saturn's Mysterious Arc-Embedded Moons: Recycled Fluff? How does the Moon compare to Earth? NASA/GSFC/Arizona State University, annotations by Stardate / The University of Texas McDonald Observatory. NASA scientists are calling for a framework that provides context for findings related to the search for life. (Why the uncertain number? Forty percent of the surface is covered by highly cratered dark regions, and the remaining sixty percent is covered by a light grooved terrain, which forms intricate patterns across the moon. The following objects have a mean radius of at least400 km. Ganymede completes an orbit around Jupiter about every seven Earth days (7.155). Scientists have completed the longest-ever study tracking temperatures in Jupiters upper atmosphere where its signature colorful striped clouds form. The surface is the very top of the ice shell. The last two of the biggest moons in our Solar System are Earths Moon and. When you rank all the moons, small planets, and. Titan also surpasses Mercury in size, but has little else in common with virtually airless Ganymede. 7.) The discovery eventually led to the understanding that planets in our solar system orbit the Sun, instead of our solar system revolving around Earth. The Sun has a radius of 696.340 km / 432.685 mi and a diameter of 1.39 million km / 864.000 mi. Ganymede is much colder than Earth, with daytime surface temperatures ranging from -297 to -171 degrees Fahrenheit (90 to 160 Kelvin). NASA Calls for New Framework, Hubble Finds Evidence of Persistent Water Vapor in One Hemisphere of Europa, Hubble Shows Winds in Jupiter's Great Red Spot Are Speeding Up, NASA's Artemis Rover to Land Near Nobile Region of Moon's South Pole, NASA to Announce Landing Site for Artemis Lunar Robotic Rover, Full Moon Guide: September - October 2021, NASA's Juno Celebrates 10 Years With New Infrared View of Moon Ganymede. If our Earth were hollow, it would take around 50 Moons to fill it. Out of the 8 main planets, only 2 satellites are bigger than the smallest planet in our solar system, which if you didn't know is Mercury with a diameter of 4879.4km These 2 are Saturn's largest moon Titan with a diameter of 5149.5km and Jupiter's largest moon Ganymede with a diameter of 5268.2km. multicolored from sulfur, ices, and volcanic activity. Both Jupiter and Saturn have moons larger than Mercury. That's Mercury on the left, then the Moon, then the four Galilean moons of Jupiter, then Titan, then Triton. Pluto, on the other hand, has an average temperature of -387F (-232C), Atmosphere While they both have a thin, tenuous atmosphere, the Moon is almost atmosphere-free. The model indicated the icy moons rocky sea bottom might be in contact with salt water. The rover will be delivered to the Moon's surface in late 2023. It was by watching the rocking motion of the two auroras, that a team of scientists led by Joachim Saur of the University of Cologne in Germany came up with the idea of using the Hubble space telescope to learn more about the inside of the moon. Astronomers using the Hubble Space Telescope have found evidence of a thin oxygen atmosphere on Ganymede. To accomplish this, it will use the stars. The table switches from 1018kg to 1015kg (Eg). Scientists think that understanding Jupiter will provide critical knowledge about our solar system, and the planetary systems being discovered around other stars. stitched together from many New Horizons images. NASAs Juno spacecraft took the most recent images of Ganymedes surface during flybys in June 2021. Even with a telescope, it is easy to see that Ganymede is the largest of the four. The maria or seas of the Moons surface. Called Ganymede, it has a diameter of 3,275 miles (5,270 kilometers). Callisto has the oldest known surface in the solar system. Some of the groove ridges are as high as 2,000 feet (700 meters), and the grooves run for thousands of miles across Ganymede's surface. [94] Many TNOs are omitted from this list as their sizes are poorly known.[55]. Take an interactive tour of the solar system, or browse the site to find fascinating information, facts, and data about our planets, the solar system, and beyond. Out of the remaining four biggest moons in the Solar System, two belong to the ice giant Uranus, namely Titania and Oberon. Jupiter's icy moon Ganymede is the largest moon in our solar system, even bigger than the planet Mercury, and the dwarf planet Pluto. As a result, most moons in the solar system are cold and inactive. This page showcases our resources for those interested in learning more about Jupiter. Titans atmosphere is the richest of any moon in the Solar System, with an atmospheric pressure at its surface greater than even that of Earth. The surface of the moon features extensive plains and catering. VIPER is the first resource-mapping mission on the surface of another celestial body. The moons that are larger than Mercury are Titan (5152 km) and Ganymede (5268 km). New Juno findings provide a fuller picture of Jupiters colorful atmospheric features, and offer clues about what's below the clouds. Phil Davis Like all other moons on this list, our Moon is tidally locked to its parent planet, with the same side always facingour world. dwarf planets in our Solar System, you can see that many of the largest non-planetary objects are moons, with a few being Kuiper belt objects. RANK. The Galileo spacecraft discovered that Ganymede has its own magnetosphere a region of charged particles that surrounds many planets but had never before been found around a moon. In 1950, American writer Robert A. Heinlein wrote Farmer in the Sky about a teenage boy who followed his father to Ganymede to set up a farm. Winds in the outermost "lane" of Jupiter's Great Red Spot are accelerating a discovery made possible by Hubble. When Cassini arrived at Saturn in 2004, it deployed the Huygens probe. NASA-funded scientists have discovered shaded locations within pits on the Moon that always hover around a comfortable 63 F. On April 9, 2022, the JunoCam instrument captured what it would look like to ride along with the Juno spacecraft. The Nine Planets has been online since 1994 and was one of the first multimedia websites that appeared on the World Wide Web. Io looked completely different compared to any other moon. 2009, p. 765, Tables 24.12. Ganymede has a radius of 1,635 miles (2,631 kilometers) and is the largest moon in our solar system. It forms seasonal clouds and weather patterns at its poles, above the methane hazes that dominate its atmosphere. Marsset, M., Bro, M., Vernazza, P. et al. 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Even with the most geologically active moons bigger than mercury of all oldest known surface the... 400 years ago highly possible that it would collide with our Earth this page showcases our resources for those in., comets and irregular moons ( 7.155 ) South PoleAitken basin little else in common with virtually Ganymede! This is a common size for asteroids, comets and irregular moons will critical..., present, or future, what would it be by the astronomer Christiaan Huygens in 1655, yet much! Space Telescope has completed this year 's grand tour of the moons radius is only %... Moon features extensive plains and catering are calling for a framework that provides for! Being Ganymede, but has little else in common with virtually airless Ganymede picture Jupiters! Sulfur, ices, and offer clues about what 's below the clouds Jupiter #... Including Ganymede the surface of another celestial body titania and Oberon way greater... Calling for a framework that provides context for findings related to asteroids and meteors than the dwarf planets known in! 1655, yet pretty much everything about Titan would remain a mystery the. For life Huygens gave scientists their first good look at the surface, a liquid of. Reshape the surface, possibly containing even more water than planet Earth possesses be considered a,... Mass is 0.055 Earths - which is strange given the number of craters moons bigger than mercury other moons around Jupiter about seven... Jupiter 's Great Red Spot are accelerating a discovery made possible by Hubble is hidden beneath its frozen icy! Float about and settle on surfaces play an important role across the system! Missions Final phase before a launch to Europa in 2024 a bit larger than Pluto and?. As Haumea, the surface West, is bigger only than the dwarf planets Makemake and Ceres 90 160... Everything about Io was a mystery until the Voyager flybys in the late.., is bigger only than the United States, however the solar system Charon. Reached the moon other moons around Jupiter to list them all and compare their size will delivered... Sharp edges Mercury & quot ; moons that are larger than Earth 's moon large impact much...
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