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 Earth

The Earth is the third planet of the Solar System, counted from the Sun. It is a terrestrial planet, with an atmosphere and a moon (the Moon), but without any rings. The Earth has an equatorial diameter of 12,756 km and is number 6 on the list of largest objects in our Solar System.