Astronomy Basics

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star

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huge object in space that gives off heat and light

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astronomer

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scientist who studies stars, planets, and other objects in the universe

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investigation

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an attempt to find out about something

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solar system

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the sun, the planets that orbit the sun, and other objects that orbit the sun

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evidence

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information that supports an answer to a question

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data

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observations or measurements recorded in an investigation

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model

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something that scientists make to answer questions about the real world

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sun

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the only star in our solar system

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visualize

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create a mental image using information from different sources

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explanation

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description of how or why something happens