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- 1. Multiple Choice
From our view, Mercury can reach a maximum separation from the Sun of _____18°23°28°33° - 2. Multiple ChoiceIn 1639 the Italian astronomer Giovanni Zupi discovered that Mercury _____undergoes a complete cycle of phaseshas an elliptical orbitis covered in cratershas an iron core
- 3. Multiple ChoiceThe model of the Earth orbiting the Sun is known as _____geocentrismheliocentrismthe Ptolemaic modelthe Newtonian model
- 4. Multiple ChoiceMercury orbits the Sun at roughly _____ the distance of the Earth from the Sun.one halfone thirdone quarterone fifth
- 5. Multiple ChoiceWhat is Mercury's orbital period?22 days44 days66 days88 days
- 6. Multiple ChoiceMercury is only about 4900 kilometers in diameter, about _____ the Earth’s width.one fifthone quarterone thirdone half
- 7. Multiple ChoiceCompared to other planets, Mercury has _____the most elliptical orbitthe most circular orbitthe largest massthe lowest density
- 8. Multiple ChoiceThe point in the orbit of a planet at which it is closest to the Sun is called _____perihelionaphelionacuhelionpicohelion
- 9. Multiple ChoiceWhat is the term for "the point in the orbit of a planet at which it is farthest from the Sun"?perihelionaphelionalthelionphanhelion
- 10. Multiple ChoiceThe way the physics works out, tides like _____all rational numberseven multiplessimple multiplesodd multiples
- 11. Multiple ChoiceAt some point, Mercury’s spin slowed to where it was _____ of its orbital period1/22/33/44/5
- 12. Multiple ChoiceIf you stand still on Mercury, how long does it take for the Sun to go around the sky once?one Mercury yeartwo Mercury yearsthree Mercury yearsfour Mercury years
- 13. Multiple ChoiceWhen did the Mariner 10 space probe map half the surface of Mercury?in the 1960sin the 1970sin the 1980sin the 1990s
- 14. Multiple ChoiceWhat is the Caloris Basin on Mercury's surface?a huge impact cratera smooth plaina large surface cracka long lava tube
- 15. Multiple ChoiceWhat are "rupes"?compression fold cracksancient lava canalsdried water bedscollapsed lava tunnels
- 16. Multiple ChoiceOn Mercury, craters are named after _____godsanimalsscientistsartists
- 17. Multiple ChoiceMercury's large core has a high proportion of _____nickelcobaltironcarbon
- 18. Multiple ChoiceThe deep craters near Mercury's poles, that contain solid water, are called _____cold trapsice bucketschill binsicy vats
- 19. Multiple ChoiceHow many naked-eye solar system objects are in the sky?fivesixseveneight
- 20. Multiple ChoiceIn ancient times the planets were associated with _____godscountrieselementsmonths of the year
- 21. Multiple ChoiceOf the gods, Mercury was the _____Roman god of warGreek god of the skyRoman messenger godGreek fire god
- 22. Multiple ChoiceWhich planet is closest to the Sun?MercuryVenusEarthMars
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