Astronomy Basics

Front

What is a solar system?

Back

A solar system is a collection of planets and other celestial bodies that orbit a star.

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What are planets?

Back

Planets are celestial bodies that orbit a star, are spherical in shape, and have cleared their orbit of other debris.

Front

What is the universe?

Back

The universe is the vast, all-encompassing space that contains all matter and energy, including galaxies, stars, and planets.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system, characterized by its spiral shape and billions of stars.