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- 1. Multiple Choice
What can be thought of as "all the stuff held sway by the Sun’s gravity"?the Milky Way Galaxyour local groupthe Solar Systemthe inner planets - 2. Multiple ChoiceWhat percentage of the mass of the entire solar system is due to the Sun?27%54%77%98%
- 3. Multiple ChoiceAfter the Sun, what is the next most massive object in the Solar System?the EarthJupiterSaturnUranus
- 4. Multiple ChoiceWhich ancient culture knew the Earth was a sphere, and had even measured its size?ancient Greeksancient Romansancient Egyptiansancient Mayans
- 5. Multiple ChoiceIn 1543, who published their work proposing a Sun-centered model of the universe?PtolemyCopernicusKeplerBrahe
- 6. Multiple ChoiceWho's astronomical observations were an essential contribution to Kepler's model?Claudius PtolemyNicolaus CopernicusTycho BraheIsaac Newton
- 7. Multiple ChoiceWho realized the planets moved around the Sun in ellipses, not circles?Claudius PtolemyNicolaus CopernicusTycho BraheJohannes Kepler
- 8. Multiple Choice"Heliocentrism" refers to a model where _____the Earth is the center the solar systemthe Sun is the center of the solar systemthe Moon, Sun and stars are affixed to crystal spheresthe Earth's shape is a plane or
disk - 9. Multiple ChoiceThe latin term "sol" in Solar System refers to _____the Sunthe solitude of spacerotating planetsthe spin of the planets
- 10. Multiple ChoiceWho applied physics and calculus to determine how gravity worked?Isaac NewtonNicolaus CopernicusTycho BraheJohannes Kepler
- 11. Multiple ChoiceWhich object is "11 times wider than the Earth and a thousand times it's volume"?Saturnthe SunJupiterMars
- 12. Multiple ChoiceWhich term has been difficult to define?asteroidstargalaxyplanet
- 13. Multiple ChoiceAll the orbits of the planets _____are circularare scattered at various anglesare exactly alignedlie in a relatively flat disk
- 14. Multiple ChoiceWhich planets are commonly referred to as the "inner planets"?Mercury, Venus, Earth, and MarsMercury, Venus, Mars, and JupiterEarth, Mars, Uranus, and NeptuneJupiter, Saturn, Uranus and Neptune
- 15. Multiple ChoiceWhere is the the asteroid belt located?between Earth and Marsbetween Mars and Jupiterbetween Jupiter and Saturnout beyond the orbit of Neptune
- 16. Multiple ChoiceWhat are "Kuiper Belt Objects"?rocky ice balls beyond Neptuneplanetoids in the main beltasteroids scattered around the solar systemasteroids in between Mars and Jupiter
- 17. Multiple ChoiceWhere is the the Oort Cloud located?between Earth and Marsbetween Mars and Jupiterbetween Jupiter and Saturnout beyond the orbit of Neptune
- 18. Multiple ChoiceWhen did the Solar System form?4.6 thousand years ago4.6 million years ago4.6 billion years ago4.6 trillion years ago
- 19. Multiple ChoiceWhat is the name for the "wee baby planets" that formed from clumps of dust?planetesimalsplanetoidsprotoplanetsexoplanets
- 20. Multiple ChoiceWhat is the term for a very young star that is still gathering mass?protostarnebulamolecular cloudglobule
- 21. Multiple ChoiceWhat process in the Sun creates energy?hydrogen fusing into heliumnuclear fission of heliumnuclear fission of uraniumhydrogen combustion
- 22. Multiple ChoiceWhich planets are found closer to the Sun?rocky planetsgas giantsexoplanetshelium planets
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