In Depth | Our Solar System – NASA Solar System Exploration The planetary system we call home is located in an outer spiral arm of the Milky Way galaxy 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; dozens of moons; and millions of asteroids, comets, and meteoroids Beyond our own solar system, there
Planet Compare - 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
RPS 3D Viewer - 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 | Moons – NASA Solar System Exploration Or the planet's gravity might break Phobos apart, creating a thin ring around Mars Earth's Moon Martian Moons Phobos and Deimos Moons of the Giant Planets Jupiter's menagerie of moons includes the largest in the solar system (Ganymede), an ocean moon (Europa) and a volcanic moon (Io)
In Depth | Phobos – NASA Solar System Exploration It orbits Mars three times a day, and is so close to the planet's surface that in some locations on Mars it cannot always be seen Phobos is nearing Mars at a rate of six feet (1 8 meters) every hundred years; at that rate, it will either crash into Mars in 50 million years or break up into a ring
In Depth | Asteroids – NASA Solar System Exploration Asteroids, sometimes called minor planets, are rocky remnants left over from the early formation of our solar system about 4 6 billion years ago The current known asteroid count is: Most of this ancient space rubble can be found orbiting our Sun between Mars and Jupiter within the main asteroid belt Asteroids range in size from Vesta – the largest at about 329 miles (530 kilometers) in
Psyche Raw Images – NASA Solar System Exploration Psyche Raw Images On May 15, 2026, NASA's Psyche mission flew past Mars for a gravity assist This maneuver gave the spacecraft a boost to its ultimate destination, the asteroid Psyche, which it will explore in 2029 The images taken before, during, and after the Mars flyby will appear here and will initially show mostly star fields, but the planet will grow in size as the spacecraft
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