8 Terms
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General astronomy
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General astronomy
Morning star
Astronomy; General astronomy
A planet, not a star, that can be seen in the east just before or at sunshine. The morning star is usually Venus or Mercury.
North Star
Astronomy; General astronomy
A bright star at the end of handle of the Little Dipper. The North Star is used to show which direction is north.
Nova
Astronomy; General astronomy
A star that explodes and becomes very bright. Because a nova only explodes at its surface, it returns to its original brightness soon.
Giant star
Astronomy; General astronomy
A star that has become very large and very bright because of the enormous heat in its center.
Little Dipper
Astronomy; General astronomy
A group of seven stars that form the outline of a dipper, or a large spoon. Four stars form the bowl of the dipper.
Neutron star
Astronomy; General astronomy
An object in space made of a very dense mass of neutrons. These are formed near the end of a star's existence, when the star's core collapses.
Ptolemaic system
Astronomy; General astronomy
Ptolemaic system has the Earth as its center, and the Sun, stars, and planets revolve around the Earth in circular orbits.
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