Planets & Moons
There are 8 officially recognized Solar System planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Most of them, except Mercury and Venus, have their own natural satellites, commonly called “moons.” Some of the dwarf planets, like Pluto and Eris, have moons, too. Here, you’ll learn the best dates to observe planets in the sky and find everything you need to know about planets, dwarf planets, and natural satellites. When you learn enough, test your astronomy skills with our challenging quizzes!
Jupiter Opposition 2024: Best Time to See Jupiter
On December 7, 2024, Jupiter will look larger and brighter than at any other time of the year! Don't miss the chance to marvel at the giant planet.
December 2024: What Planet is Next to the Moon Tonight?
What is that bright dot shining near the Moon tonight? Find out about stars and planets that can be seen next to our natural satellite this month!
Facts About Jupiter: Explore the Giant Planet
How many Earths could fit inside Jupiter? Is it true that one of its moons is bigger than Mercury? Take this quiz and dive into the awe-inspiring world of the giant planet and its remarkable moons.
Mars: Facts About the Red Planet
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 Saturn And When Will It Shine Brightest In 2024?
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.
All About Mercury, The Smallest Planet In The Solar System
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!
All Astronomical Events 2024: Detailed Stargazing Calendar
Get ready to gaze at the sky in 2024! Our comprehensive guide to all the astronomical events will keep you updated and prepared.
Facts About Venus: Explore the Earth's Sister Planet
Why is Venus so hot and bright? When is the best time to observe it? Read this article to get answers to these and many other questions about this planet.
Planetary Opposition 2024: Best Time to See Planets
The best time to view most planets is at the astronomical opposition. Find out what it means and when to see the upcoming oppositions.
Planet Uranus: The Coldest Planet
Uranus has a peculiar chemical composition, extreme temperatures, and the most unusual axial tilt. Here we’ll take a closer look at this planet.