Fun Facts

Bright Jupiter is known for its enormous size, many moons, and mysterious Great Red Spot. Read our article to uncover all the secrets of the giant planet.

Explore the closest planet to the Sun! Find out how long a day on Mercury is and how many moons the planet has. Also, keep up with the upcoming Mercury events!

Think we’re done with the Moon? Think again! Here’s why it’s the perfect launchpad for further space exploration – and why it matters to you.

Other Milky Way quizzes: BORING! Star Walk's Milky Way quiz: FUN! Take the challenge and see for yourself.

How many rings does Saturn have? Where is Saturn tonight in the sky? Find answers to these and other most common questions about Saturn in our article.

In July 2025, Venus is perfectly placed for observing and photography! Get to know the planet and learn about upcoming Venus events in this article.

Have you ever seen the huge Moon floating behind the buildings? 🌕It’s likely not a Supermoon but a Moon illusion. Learn how our satellite plays with our brains!

Why is Mars red? What’s the gravity on Mars? Read this article to get answers to these and many other questions and learn more about the Red Planet.

What is Uranus? Learn facts about its size, rings, moons, rotation, and cold atmosphere. Also, explore Uranus’ upcoming events!

Here’s everything you need to know about Apophis, the massive asteroid once predicted to crush into the Earth. 😱 See if you should cancel your plans on April 13, 2029 (and later).