The Synthesis of "planetary orbits"

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

Discover Johannes Kepler, the 17th-century astronomer who revolutionized our understanding of the cosmos with his laws of planetary motion.

Discover orbital eccentricity, the key measure defining the shape of a planet's path from a perfect circle to an extreme ellipse. Learn why it matters.

Discover Johannes Kepler, the 17th-century astronomer whose laws of planetary motion revolutionized our understanding of the solar system.

Discover orbital mechanics, the science of how objects move through space. Learn how gravity and momentum dictate the paths of planets and spacecraft.

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

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 asteroids, the rocky remnants from our solar system's birth. Learn why they're trending and how they impact life on Earth.

Discover Mercury, the smallest and fastest planet in our solar system. Learn about its extreme temperatures, cratered surface, and recent discoveries.