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15 Cards in this Set
- Front
- Back
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What law helped astronomers predict the presence of other planets?
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Bode's Law
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_______ are small objects in space that are too small to be planets.
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asteroids
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The __ ___ is an area between Mars and Jupiter where most asteriods are found.
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asteroid belt
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______ established that comets were natural parts of the solar system.
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Brahe
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_______, an English astronomer has a famous comet named after him.
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Halley
Halley's comet |
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The core of a comet is made up of ________.
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a frozen chunk of ice and dust
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The gas and dust that form a cloud around the nucleus is called a _____.
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coma
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The _____ of a comet made be millions of miles long.
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tail
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The amount of time it takes a comet to complete an orbit is called its _____.
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period
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The comet ___ ___, has the shortest recorded period of three years and four months.
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Encke's comet
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What causes a comet to form a tail?
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the solar winds of the sun
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_____ are pieces of space debris.
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Meteoroids
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_____ are meteoroids that enter Earth's atmosphere.
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meteors
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A ___ ___ occurs when the earth passes through a cluster of meteoroids.
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meteor shower
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A ____ is a meteor that has landed on the Earth's surface.
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meteorite
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