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Ch13 Uranus&Neptune1

Vocabulary

TermDefinition
William Herschel accidentally discovered the planet Uranus, and the existence of infrared radiation
Infrared region of the electromagnetic spectrum with a slightly longer wavelength than red light; heat
Caroline Herschel assisted her brother with his observations and discovered several comets
Voyager twin spacecraft that were launched in the late 70's that flew by the outer planets
Rotation spinning of a body about an axis
Retrograde Rotation backward, clockwise spin of a body
Seasons changes in average temperature and day length due to the tilt of a planet's rotational axis
Haze dust and other dry particles obscuring the clarity of one's view
Ammonia NH3, significantly lacking in the outermost Jovian planets due to their colder temperatures
Methane simplest hydrocarbon, CH4, responsible for the blue color of Uranus and Neptune
Adams & Leverrier independently calculated Neptune's position at about the same time
Perturbation deviation in the motion of a body caused by the gravitational force of another passing object
Bands active pressure regions in Jovian planets' atmospheres with convective motion
Belts dark, low-pressure regions in a Jovian planet's atmosphere where gas flows downward
Zones bright, high-pressure regions in a Jovian planet's atmosphere where gas flows upward
Great Dark Spot prominent storm system in the atmosphere of Neptune, about the size of Earth
Created by: john_bailey720
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