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Science | Dictionary | Astronomy Terms

Astronomy terms are used to describe the various phenomena in space. In this section you can learn what every astronomy term means and how it helps us to better understand the cosmos.

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Seasons

Seasons, the four divisions of the year, called spring, summer, autumn (or fall), and winter.


 What is a light year?

What is a light year? A light year is a way of measuring distance. Learn more about the meaning of the term light year at HowStuffWorks.com. See more »