Kuiper Belt and Oort Cloud
In March 2004, a team of astronomers announced the discovery of a planet-like transneptunian object orbiting the Sun at an extreme distance, in one of the coldest known regions of our solar
The Sun By the Numbers
The Sun is the star at the heart of our solar system. Its gravity holds the solar system together, keeping everything – from the biggest planets to the smallest bits of debris –
Science 101: The Solar System
How many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system''s genesis, plus
The Solar System
The solar system includes the Sun, planets, dwarf planets, moons, rings, asteroids, comets, and particles of dust.
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
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.
In Depth | Ganymede – 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.
Jupiter
Facts About Jupiter Jupiter is the largest and oldest planet in our solar system. If Jupiter was a hollow shell, 1,000 Earths could fit inside. But the "King of Planets" is no
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,
Image Archive: Solar System
Explore stunning images of the Solar System captured by ESA/Hubble, showcasing planets, moons, and other celestial wonders.
RPS 3D Viewer
NASA Solar System Exploration Our Galactic Neighborhood Solar System Planets Moons Asteroids, Comets & Meteors
Solar System: Planets, Moons, and the Sun
With each planet, moon, asteroid, and comet, the solar system tells a story of birth, destruction, rebirth, and motion—stories
Mars By the Numbers
The numbers displayed here are approximations. For more precise data, please visit JPL Solar System Dynamics
In Depth | Moons – 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.
Solar System
The Solar System is the gravitationally bound system of the Sun and all celestial bodies that orbit it. This includes planets, moons,
Solar system | Definition, Planets, Diagram, Videos, & Facts
Our solar system includes the Sun, eight planets, five officially named dwarf planets, hundreds of moons, and thousands of asteroids and comets. Our solar system is
In Depth | Kuiper Belt – 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.
Solar System
The Solar System is the gravitationally bound system of the Sun and the masses that orbit it, most prominently its eight planets, of which Earth is