Astronomy

Mercury — The Speedy Planet

Mercury is the smallest planet and closest to the sun. It zooms around the sun fastest of all the planets!

Venus — The Hot Cloud Planet

Venus is similar in size to Earth but VERY different — covered in thick toxic clouds and hotter than an oven.

Earth — Our Beautiful Home

Earth is the only planet we know with life. Liquid water, an oxygen-rich atmosphere, and a magnetic field protect us.

Fun Astronomy Facts

Discover Fun Astronomy Facts as a core part of Astronomy. This lesson explains what it means, walks through a real example, introduces key terms, and includes three hands-on activities to help you understand and apply the idea.