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LOPEZAngel_Seventh_Activity_in_Astronomy_BSEd_Science_3A.docx

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Holy Cross CollegeSta. Ana, PampangaCOLLEGE OF ARTS, SCIENCES, & EDUCATIONName: ANGEL Y. LOPEZDate: MARCH 15, 2021Course and Year:III BSE SCIENCESubject: ASTRONOMYTeacher: MR. PAUL JUSTINE CENETAENRICHMENT ACTIVITY:Directions: List down the characteristics of every moon that makes them different or unique from the other moons. Do it comprehensively and put your answer on the space provided.
Characteristics of Jupiter's MoonsHaving identified the factors that can influence and determine surface features, let's turn now to the moons of the gas giants and explore the diversity we find.IoEuropaGanymedeCallistoNaked Eye ObservationAll four moons are bright enough to be visible to the naked eye, but close enough to Jupiter to be lost in the glare. Can be easily viewed through 8X telescopes, but surface features not visible from Earth-based telescopes. Spectroscopic studies revealed sulfur dioxide on Io and water ice on Europa.ExplorationPioneer 10 (1973), Pioneer 11 (1974), Voyager 1 (1979), Voyager2 (1979), and Galileo (1995-2003)Galileo (1995-2003)Voyager 1 (1979), Voyager 2 (1979), and Galileo(1995-2003)
Source: NASAOrbital Characteristics1.769d(1:1spin-orbitcoupling)Elliptical orbit and elongated shape under tidal stress from Jupiter,modified by periodic tidal counter forces from Europa andGanymede.3.551 d (1:1 spin-orbit coupling)Elliptical orbit and elongated shape undertidal stress from Jupiter, modified byperiodic tidal counter forces from Io andGanymede.7.155 d (1:1 spin-orbit coupling)16.689 d (1:1 spin-orbit coupling)Io:Europa:Ganymede synchronized 1:2:4Callisto is too distant to be synchronized by the gravitational pull of the other three large moons.Magnetosphere
Apparently has its own dynamo, with a magnetic field roughlyequivalent to Earth's.None. However, movement through Jupiter'smagnetic field creates induced current.

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Term
Spring
Professor
NoProfessor
Tags
Solar System, Io, Natural satellite

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