Superstar
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There are a lot of space rocks spinning around in our solar system and some of them can come dangerously close to hitting Earth. It may not be the biggest threat to humanity, but if there is even the slightest chance that we're going the way of the dinosaurs, we may as well know what's coming for us.

Illustrator Tim Lillis gives clear descriptions of each type of rock in layman's terms so that even people who aren't rocket scientists can understand the differences. Find out how to identify comets, asteroids, meteors, meteorites and meteoroids, and which one of these geodes is also known as a "falling star."

This poster by Tim Lillis provides easy visuals and concise explanations for those who are interested in the different types of space rocks.