Callisto is the outermost of this planet's four Galilean moons
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What are the Galilean Moons? - Universe Today  Apr 26, 2016 ... In addition to being the largest planet in our Solar System - with two and a ... However, Simon Marius  a German astronomer who also claimed to have found these four moons  prescribed the names Io, Europa, Ganymede and Callisto ... Unlike most satellites in the outer Solar System (which are covered...
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Galilean moons - Wikipedia  The Galilean moons are the four largest moons of JupiterIo, Europa, Ganymede, and Callisto. They were discovered by Galileo Galilei around January 1610 and were the first group of objects found to orbit another planet. ..... Callisto, the outermost and least dense of the four, has a density intermediate between ice and rock...
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Jupiter - Moons | Planets - NASA Solar System Exploration  The planet Jupiter's four largest moons are called the Galilean satellites after Italian ... These large moons, named Io, Europa, Ganymede, and Callisto, are each...
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Jupiter's Moons: Facts About the Largest Jovian Moons - Space.com  Jul 5, 2012 ... With a total of 67 known moons  including four large moons known as the Galilean ... The four moons are, from left to right: Io, Europa, Ganymede and Callisto. ... Not only is Jupiter the largest planet in the solar system, it is also the most ... The outer 33 moons orbit in the opposite direction in which Jupiter...
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The Galilean Moons of Jupiter  Callisto: The Outermost Galilean Moon. Callisto is the stereotypical outer solar system satellite. It is one of the largest and most heavily cratered satellites in the solar system. The surface is very icy and dates back four billion years.
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Jupiter's Moons: Facts About the Largest Jovian Moons - Space.com  Jul 5, 2012 ... With a total of 67 known moons  including four large moons ... Horizons spacecraft during its flyby of Jupiter in late February 2007. ... The moons, later named Io, Europa, Callisto and Ganymede, were the first discovered beyond Earth. ... Italian astronomer Galileo Galilei discovered four of Jupiter's moons...
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Ganymede (moon) - Wikipedia  Ganymede /nmid/ (Jupiter III) is the largest moon of Jupiter and in the Solar System, ... Discovery. Discovered by, Galileo Galilei. Discovery date, January 7, 1610 .... Ganymede is the only Galilean moon of Jupiter named after a male figurelike Io, Europa, and ...... Jump up ^ Peale, S.J.; Lee, Man Hoi (2002).
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Chapter 11, Section 5  2.5) Moving outward from Jupiter, the four are named Io, Europa, Ganymede, ... When the Voyager 1 spacecraft passed close to the Galilean moons in 1979, it sent some remarkably detailed photographs back to Earth, allowing planetary scientists ... The two outer moons, Ganymede and Callisto, are clearly deficient in rocky...
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Moons of Jupiter - Wikipedia  The first claimed observation of one of Jupiter's moons is that of Chinese ... By January 1610, he had sighted the four massive Galilean moons with his ... assigned are used today: Ganymede, Callisto, Io, and Europa.
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Free Flashcards about ASTRONOMY - StudyStack  ITS PERIGEE, THE CLOSEST IT CAN COME TO EARTH, IS 221,456 MILES, MOON .... AT -235 DEGREES C. THE SURFACE OF THIS PLANET'S MOON, TRITON, IS THE COLDEST ... IN A 1908 BOOK, PERCIVAL LOWELL PROPOSED THAT THE MARKINGS ON THIS PLANET WERE IRRIGATION CANALS, MARS.
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What Is Jupiter? | NASA  Jupiter's four largest moons (Io, Europa, Ganymede and Callisto) are known as ... Jupiter is so large that all of the other planets in the solar system could fit ... Ganymede and Callisto have many craters and appear to be made of ice and rocky material. ..... If Black Holes Are "Black," How Do Scientists Know They Are There?
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Free Flashcards about ASTRONOMY - StudyStack  AFTER EARTH, IT'S THE PLANET WHOSE DAY IS CLOSEST TO 24 HOURS, MARS ... PLANET ONCE THOUGHT UNIQUE, IT NO LONGER RUNS "RINGS" AROUND ITS NEIGHBORS, SATURN ... VOYAGER II DISCOVERED 6 MORE MOONS AROUND THIS PLANET; ONE IS BIGGER THAT THE PREVIOUSLY KNOWN...
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Jupiter - Moons | Planets - NASA Solar System Exploration  There are many interesting moons orbiting the planet, but the ones of most scientific interest are the first four moons discovered beyond Earth - the Galilean satellites. The planet Jupiter's four largest moons are called the Galilean satellites after Italian astronomer Galileo Galilei, who first observed them in 1610.
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Galilean moons - Wikipedia  From top to bottom: Io, Europa, Ganymede, Callisto. The Galilean moons are the four largest moons of JupiterIo, Europa, Ganymede, and Callisto. They were discovered by Galileo Galilei around January 1610 and were the first group of objects found to orbit another planet.
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Voyager 2 - In Depth | Missions - NASA Solar System Exploration  Goals: Voyager 1 and 2 were designed to take advantage of a rare planetary alignment to ... It also provided more detailed images of the ring spokes and kinks, and of the ... Voyager 2 began transmitting images of Jupiter on 24 April 1979 for ... system, including its moons Amalthea, Io, Callisto, Ganymede, and Europa, all of...
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Galilean moons - Wikipedia  The Galilean moons are the four largest moons of JupiterIo, Europa, Ganymede, and Callisto. They were discovered by Galileo Galilei around January 1610 and were the first group of objects found to orbit another planet. ... Ganymede is the largest moon in the Solar System, and is even bigger than the planet Mercury.
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The Galileo Project | Science | Satellites of Jupiter  Of these, four are comparable to the Earth's Moon in size; the rest are orders of ... in 1610 and its magnification thus brought these four "Galilean" satellites within his grasp. ... On 7 January 1610 he observed the planet and saw what he thought were ... He wanted to name them after his patrons and asked whether they would...
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Jupiter - Moons | Planets - NASA Solar System Exploration  The planet Jupiter's four largest moons are called the Galilean satellites after Italian astronomer Galileo Galilei, who first observed them in 1610. ... but he did not publish his observations and so Galileo is given the credit for their discovery. ... Galileo spacecraft made observations from repeated elliptical orbits around Jupiter,...
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moons of Jupiter - Wikipedia  The Galilean moons are the four largest moons of JupiterIo, Europa, Ganymede, and Callisto. ... Galileo initially named his discovery the Cosmica Sidera ("Cosimo's stars"), but the names that ... On March 19, he sent the telescope he had used to first view Jupiter's moons to the Grand Duke, ... See also: History of longitude.
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Galileo Galilei - StarChild - NASA  Galileo discovered four of Jupiter's moons almost four hundred years ago. ... In 1609, Galileo heard about the invention of the spyglass, a device which ... He found that the Moon was not smooth, but mountainous and pitted - just like the Earth!
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Free Flashcards about ASTRONOMY - StudyStack  SOME OF THESE OBJECTS ARE THE SIZE OF ONE SOLAR SYSTEM, BUT ... JUPITER'S CALLISTO IS COVERED WITH T HESE, BUT UNLIKE THOSE ON OUR MOON THEY'VE MOSTLY COLLAPSED ON THEMSELVES, CRATERS.