Mercury—The Smallest Planet in the Solar System

Named after the Roman God Mercury, son of Maia and Jupiter, the messenger of the gods and the god of travelers, is a planet 35,980,000 miles (57,900,000 km) away from the sun. It is the smallest and the hottest planet in our Solar System with the equatorial diameter of 3,030 miles (4,878 km) and surface temperatures of -300°F (-183°C) to 800°F (427°C).

A Planet With Three Suns

Have you watched Star Wars? No? Me too. On the movie Star Wars, Luke and Anakin Skywalker's home planet, Tatooine, have two suns.

What is a Light-Year?

I remember when I was in elementary, someone (I can't remember who, specifically.) told me that one light year is equivalent to eighty Earth years. And believed that until I was in 2nd year high school. How stupid is that?! I was taught wrong.

A Planet Made Out of Diamonds

Yep, you read it right. A planet made out of mostly diamonds. Wait, don't get too excited yet. 55 Cancri e, or "super-earth" is 40 light years away from our planet.