What is Astronomy?


What is Astronomy?.


Astronomy - is the science of the stars, space, galaxies, planets, asteroids, comets, etc. Investigates extraterrestrial objects in the sky, structure, origin, development, position in the sky, movement. Pythagoras found that the Earth is a sphere, and it orbits around the Sun, Moon, stars and planets.

Earth - the planet of the solar system, according to the distance it is the third from the Sun and the fifth mass.

The Earth’s layers, showing the crust, mantle, outer core, and inner core.

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What is Astronomy?. (January 23, 2016). https://documents.exchange/what-is-astronomy/ Reviewed on 03:24, November 18 2018
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