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62 Cards in this Set
- Front
- Back
Which planet formed in a reducing environment?
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all Jovian planets
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In what decade did the first probe do a flyby of a Jovian planet?
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1970s
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Which spacecraft in 1977 began a 12 year mission to boldly go where no robotic spacecraft had gone before - that is, to do a flyby of all four Jovian planets?
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Voyager II
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Which spacecraft performed the most extensive exploration of Jupiter and its four large moons, beginning in 1995?
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Galileo
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Which Jovian planet has an interior structure that is most like that of Uranus?
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Neptune
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Which Jovian planet has an orbital period and semimajor axis that deviate greatly from Kepler's third law of planetary motion?
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none
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Which two planets have interior zones of metallic hydrogen?
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Jupiter & Saturn
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Which two Jovian planets have the shortest rotational periods (about 10 hours)?
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Jupiter & Saturn
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Most planets have a rotational axis that is nearly perpendicular to their orbital plane. Which Jovian planet has an axis of rotation nearly in its orbital plane?
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Uranus
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In planetary astronomy (or planetary geology) what is meant by the term "rock"?
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Any material made of iron, silicon, and oxygen.
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Which Jovian planet has a density lower than that of water?
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Saturn
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Which Jovian planet does not have much of an internal heat source, and thus has the least-turbulent atmosphere?
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Uranus
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What is believed to be the source of Saturn's "extra" internal heating?
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Saturn has cooled enough inside that helium is now migrating toward its center.
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Jupiter's moon _____ is highly volcanic.
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Io
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Jupiter's largest satellite, _____, shows many craters alongside grooved terrain.
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Ganymede
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Jupiter's moon _____ has an ocean below its surface crisscrossed with dark markings.
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Europa
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_____ is covered with craters, including a bulls-eye.
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Callisto
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Saturn's rings have a well-known gap in them, called ____.
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Cassini’s division
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The largest of Saturn's satellites, _____, is one of the few moons known to have its own
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Titan
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Saturn's density is _____ [greater/less] than that of water.
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less
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Uranus' rotation is different than all the other planets in that its axis of rotation is _____ to its direction of orbit around the Sun.
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roughly parallel
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During the occulation of a star, Uranus was discovered to have _____.
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rings
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Voyager 2 discovered a great storm in Neptune's atmosphere called the _____.
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Great Dark Spot
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Neptune's moon _____ has a tremendously varied surface that includes cantaloupe terrain.
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Triton
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Composed of same proportion of H and He as the Sun
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Jupiter
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Different latitudes rotate at different speeds caused by movement of interior structure
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differential rotation
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Jupiter's internal heat source is from ________.
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helium infall
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on Jupiter, ________ [dark ammonium hydrosulfide] are warmer and sinking
Zones [white ammonia clouds] are cooler and rising |
belts
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Zones [white ammonia clouds] are cooler and rising
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zones
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3 parts of Jupiter's ring system
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gossamer ring, main ring, halo
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first spacecraft to leave the solar system
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Pioneer 10 & 11
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planet w/Cassini division && which rings does it fall between
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Saturn; between rings A && B
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huge crater and giant canyon opposite side from crater
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Mimas
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recent activity & internal heating
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Enceladus
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large crater & giant canyon
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Tethys
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craters, rays, wisps
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Dione
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craters & wisps; no large craters
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Rhea
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hamburger shaped; same size as Mimas
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Hyperion
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one dark side other side bright
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Iapetus
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captured asteroid; retrograde revolution
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Phoebe
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planet sized; atmosphere of nitrogen; methane icebergs and ethane oceans
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Titan
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plane with retrograde motion other than Venus
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Uranus
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high level of photochemical haze
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Uranus
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no internal heat source
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Uranus
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planet where magnetosphere is not centered through planet
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Uranus
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five moons of Uranus
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MAUTO: Miranda, Ariel, Umbriel, Titania, Oberon
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youngest surface/tectonic activity/few large craters, global fractures/fault valleys
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Ariel
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darker, uniform surface covered with craters, unexplained bright ring feature
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Umbriel
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few large craters, many young scarps, some fresh material, trenches
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Titania
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many large craters (e.g., Hamlet), high mountain, scarps, dark patches in crater floors
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Oberon
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part of surface has undulating cratered plains, part with regions of scarps that show as dark bands, global faults; chevron feature; racetrack features.
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Miranda
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planet with 9 rings
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Uranus
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number of rings on Uranus
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9
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planet co-founded ((and by who))
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Neptune by Galle && d'Arrest
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cause of Neptune's magnetosphere
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type of ice or water that can conduct electricity
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two main moons of Neptune
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Triton and Nereid
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prograde rotating moon of Neptune
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Nereid
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retrograde rotating moon of Neptune
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Triton
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moon that looks like cantaloupe
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Triton (Neptune)
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moon w/atmosphere
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Triton has nitrogen atmosphere
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number of rings on Neptune
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5
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planet with 5 rings
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Neptune
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