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Tufts Astronomy - Objects and moons
Lang midterm Objects and moons
14
Astronomy
Undergraduate 1
10/27/2009

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Cards

Term
Callisto
Definition
Jupiter, about size of Mercury
Term
Ceres
Definition
Largest and first discovered asteroid, dwarf planet
Term
Charon
Definition
Companion of Pluto
Term
Enceladus
Definition
Saturn, jets of water ice, 100% sunlight reflection, smooth ice surface, in rings
Term
Europa
Definition
Jupiter, Size of the moon, covered in ice, borrowed magnetic field from Jupiter
Term
Ganymede
Definition
Jupiter, bigger than Mercury, crust and volcanoes of water ice, iron core
Term
Io
Definition
Jupiter, Size of the moon, less than 1 million years old, smooth white sulfur surface, tidal flexing
Term
Miranda
Definition
Uranus' moon, geological activity
Term
Titan
Definition
Saturn, bigger than Mercury, dense atmosphere like Earth, lakes of methane
Term
Triton
Definition
Neptune, retrograde orbit, lakes of frozen nitrogen, headed for collision,
Term
Phobos
Definition
Will collide with Mars 50mil years
Term
Asteroids
Definition
Larger than 50 meters will hit surface, leave crater – 1km will hit earth every million years, most impact craters disappear after 200 million years on earth
Term
Jupiter
Definition

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Callisto, Europa, Ganymede, Io

Term
Saturn
Definition

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Titan, Enceladus

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