The Synthesis of "extrasolar planets"

Discover exoplanets—planets orbiting stars beyond our sun. Learn why these distant worlds are a hot topic in space exploration and the search for life.

Discover super-earths, exoplanets larger than our world but smaller than Neptune. Learn why these planets are key in the search for alien life.

Discover our cosmic neighborhood! A simple guide to the Sun, the eight planets, and the celestial bodies that make up our amazing solar system.

Discover Jovian planets, the gas giants of our solar system like Jupiter and Saturn. Learn what defines these massive, low-density outer worlds.

What defines a planet? Explore the official definition, why Pluto was reclassified, and the exciting search for new worlds beyond our solar system.

Discover dwarf planets, the celestial bodies like Pluto that orbit the Sun but haven't cleared their orbital path. Learn why they're a hot topic.

Discover the massive planets known as gas giants. Learn about Jupiter, Saturn, and what makes these celestial bodies unique in our solar system.

Explore Jupiter, the largest planet in our solar system. Learn about its massive storms, numerous moons, and its role as a planetary protector.

Discover NASA's Kepler Space Telescope, the revolutionary planet-hunter that transformed our understanding of exoplanets and distant solar systems.

Discover Kepler's three laws of planetary motion, which describe how planets orbit the Sun. Learn why these fundamental principles of astronomy matter.