Beginner-friendly space guides: planets, dwarf planets, moons, the solar system, exoplanets, and practical stargazing tips. Tap a topic below to start exploring.
Explore the inner rocky worlds, giant planets, quick comparisons, and the basics that explain how planets work.
Learn about Pluto, the Kuiper Belt, and the major dwarf planets—what makes them different and why they matter.
From Earth’s Moon to icy ocean worlds—discover the most important moons and what makes each one special.
Understand the Sun, small bodies, outer regions, and how orbits and motion shape everything we see in space.
How we find exoplanets, the main types, and famous systems—plus what “habitable” really means.
Stargazing basics, planet viewing tips, and simple explanations that help you observe the night sky with confidence.