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- 1. Multiple Choice
On the Bayeux Tapestry, which depicts the Norman invasion in the year 1066, which comet is shown?Comet McNaughtComet HalleyComet Hale-BoppComet 67P/C-G - 2. Multiple ChoiceWhich king, in 1066, considered the sighting of a comet as a good omen?King Henry VIIIKing Harold IIKing William IKing Richard I
- 3. Multiple ChoiceWhich comet was seen by Phil Plait, in 2007, very near the Sun in broad daylight?Comet McNaughtComet HalleyComet Hale-BoppComet 67P/C-G
- 4. Multiple ChoiceUnlike asteroids, which are mostly rock, comets are a more balanced mixture of _____metal and icerock and metalice and rockrock and minerals
- 5. Multiple ChoiceComets, being composed of frozen gases, rocks, gravel, and dust, are often called _____“dirty snowballs”“yellow snowballs,”“dusty asteroids”“dirty asteroids”
- 6. Multiple ChoiceAs comets progress through their elliptical orbits, they are heated mostly by _____the Sunfrictioninternal molten metalsconvection of gases
- 7. Multiple ChoiceThe process of ice turning directly into a gas is called _____fusionconvectionsublimationevaporation
- 8. Multiple ChoiceIn the past, because comets look fuzzy, they’ve been called _____“hairy stars”“hairy eyeballs”“shooting stars”“fuzzy navels”
- 9. Multiple ChoiceThe solid part of a comet is called the _____corekernalnucleuscoma
- 10. Multiple ChoiceWhat is the gaseous cloud around a comet called?auracomawisphaze
- 11. Multiple ChoiceWhen gas molecules emitted by a comet lose electrons, they are said to be _____dissociatedionizedfissionedmagnetized
- 12. Multiple ChoiceThe “ion tail”, produced by the solar wind acting on ionized gas, points _____towards the sunaway from the Sunbehind the comet in its orbitahead of the comet in its orbit
- 13. Multiple ChoiceWhich comet appeared incredibly bright and gorgeous in 1997?Comet McNaughtComet HalleyComet Hale-BoppComet 67P/C-G
- 14. Multiple ChoiceThe dust stream from a comet points _____towards the sunaway from the Sunbehind the comet in its orbitahead of the comet in its orbit
- 15. Multiple ChoiceShort-period comets are defined as comets with an orbital period less than _____2 years20 years200 years2,000 years
- 16. Multiple ChoiceComets that take a path directly into the sun are called _____sun catchersself-destructorskamikaze cometssundivers
- 17. Multiple ChoiceWhat was the first spacecraft to successfully get pictures of the nucleus of a comet?NASA's Voyager 1 probethe American probe Viking 1the Soviet mission Vega 1the American mission Apollo 11
- 18. Multiple ChoiceIn the detailed photos of Comet Halley, what percentage of light was reflected from the nucleus?4%16%40%60%
- 19. Multiple ChoiceWhich word best describes the surface of comets?inhomogeneousunharmonioushomogeneousharmonious
- 20. Multiple ChoiceWhich European mission studied a young comet that looked like a "cosmic rubber ducky"?XMM-NewtonRosettaHuygensGaia
- 21. Multiple ChoiceWhat happened to Philae, the lander sent down by Rosetta?it bounced off the surfaceit skidded along the surfaceit sank into the surfaceit gently landed on the surface
- 22. Multiple ChoiceIn 2004, what complex molecules were detected in the coma of comet Wild 2?carbohydratesfatty acidsproteinsamino acids
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