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An enormous collection of stars arranged in a particular shape is called a ______.
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galaxy
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A grouping of stars named after mythical figures and animals is called a _____.
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constellation
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Stars are hot bodies of gases composed of _____ and ______.
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hydrogen,helium
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Small amounts of gravity or low gravity are called ______.
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microgravity
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Galaxies contain giant clouds made of gas and dust which are called?
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nebulae
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Radiation belts filled with charged particles
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Van Allen belts
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Region beyond the Earth's atmosphere where there is very little molecular activity
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Space
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A region in space where no radiation is emitted ____ _____.
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black hole
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When a meteoroid enters into the Earth's atmosphere it is called a _______.
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meteorite
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The only planet to rotate in a clockwise manner is ______?
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Venus
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Which planet is a dark and frozen planet 4 billion miles from the Sun?
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Pluto
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Which planet is known as the windiest planet in the solar system?
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Neptune
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A small icy body orbiting the sun is called a _____.
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comet
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A small rocky body orbiting the sun is called an _______.
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asteroid
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Short-lived high energy discharges are called ____ ____.
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solar flares
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Darker, cooler areas of the sun are known as ______.
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sunspots
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Large energy discharges that are thousands of miles high and last for months are called _____ ________.
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solar prominences
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The closet planet to the Sun?
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Mercury
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This planet is known as the Red Planet?
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Mars
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In July 1997, the space probe Pathfinder landed on Mars. The Pathfinder's rover ______ ______ began its exploration of the planet.
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Sojourner Truth
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The largest planet in the solar system?
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Jupiter
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This planet has seven distinct rings round it.
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Saturn
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This planet has a bluish greenish color because of the methane in its upper atmosphere.
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Uranus
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The smallest planet in our solar system.
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Pluto
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