What is the Definition of Astronomy Anyway?

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So you're interested in astronomy and astronomy definitions, but you don't know what the definition of astronomy even is. Well don't worry, I'm going to give you the meaning of astronomy in plain English. After you know what it means, you will see there are many cool things to learn!

Let's start with what the dictionary meaning of astronomy is: It is the scientific study of the universe and celestial bodies, especially their positions and movements.

Okay, what exactly is that supposed to mean? Astronomy is the study of outer space and anything in it. Things like:

• the solar system
• galaxies
• stars
• comets
• The northern lights
• The North Star

People who study outer space are called astronomers. Astronomers have made great discoveries about outer space. In fact, we wouldn`t know much about the universe without them! They use tools like:

• binoculars
• telescopes
• cameras

So now when someone asks you what Astronomy means, you will be able to tell them.

Where's the best place to start your study of astronomy? That's easy! Start with a telescope in your own backyard.