Astronomy Answers: From the Astronomical Dictionary

Astronomy Answers
From the Astronomical Dictionary

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The description of the word you requested from the astronomical dictionary is given below.

the Sun

sun, plural suns

The Sun is the star in the middel of our Solar System, which provides us here on Earth with light and warmth. Because the Sun is a star, stars are sometimes referred to as suns. The Sun is by far the largest object in our Solar System, with a diameter of 1,391,980 km.