Pluto By the Numbers

Pluto was once our solar system''s ninth planet, but has been reclassified as a dwarf planet. It''s located in the Kuiper Belt.

RPS 3D Viewer

This site is maintained by the Planetary Science Communications team at NASA''s Jet Propulsion Laboratory for NASA''s Science Mission Directorate.

Planet Compare

NASA''s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

Solar System | scienceillustrated

In the Solar System, eight planets orbit the Sun in elliptical orbits. In addition to the planets, the Solar System consists of dwarf planets, moons, comets, asteroids

Solar System

Besides solar energy, the primary characteristic of the Solar System enabling the presence of life is the heliosphere and planetary magnetic fields (for those

Solar system | Definition, Planets, Diagram, Videos, & Facts | Britannica

Our planetary system is the only official solar system in the Universe, but astronomers continue to find thousands of other stars with planets orbiting them in our galaxy. Without the sun''s gravity, every

Overview | Galileo – NASA Solar System Exploration

The Planetary Science Division''s missions have revolutionized our understanding of the origin and evolution of the solar system.

In Progress

NASA''s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

In Depth | Our Solar System – NASA Solar System Exploration

Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto;

Overview

VERITAS will unlock the secrets of Venus'' surface and interior evolution by searching for evidence of past and present water, providing an inventory of current and recent volcanic and

Overview | Asteroids, Comets & Meteors

Our solar system''s small bodies – asteroids, comets, and meteors – pack big surprises. These chunks of rock, ice, and metal are leftovers from the formation of our solar system 4.6 billion years ago.

Solar System Exploration

Our solar system includes the Sun, eight planets, five officially named dwarf planets, hundreds of moons, and thousands of

Overview of Our Planetary System | Astronomy

Our solar system currently consists of the Sun, eight planets, five dwarf planets, nearly 200 known moons, and a host of smaller objects. The planets can be

In Depth | Sun – NASA Solar System Exploration

NASA''s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

Eyes on the Solar System

Explore the 3D world of the Solar System. Learn about past and future missions.

Science 101: The Solar System

Revolving around the sun are eight planets. The planets are divided into two categories based on their composition, terrestrial and Jovian. Terrestrial

Our Solar System: A Tour of All the Planets

The planets, from searing Mercury to frigid Neptune, each offer a unique chapter in the story of our solar system''s formation, evolution, and