Astronomy

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• Astronomy

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Astronomy
The study of space, stars, planets, and objects
in the sky
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Solar System
A group of objects in space that move around a
central star
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Star

• A huge burning sphere of gases
• Example the Sun

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Planet
A large object that moves around a star
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Orbit
The path an object such as a planet takes as it
revolves around a second object
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Ellipse

• A flattened circle shape
• The shape of a planets orbit around the sun

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Constellation
The pattern formed by a group of stars in the
night sky
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Astronomer
A person who studies stars, planets, and other
objects in the sky
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Telescope
An instrument people use to observe distant
objects with their eyes