In Depth | Earth - NASA Solar System Exploration
While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal.
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; dozens of moons; and millions of asteroids, comets, and meteoroids.
Planet Compare - NASA Solar System Exploration
Jan 9, 2025 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
Earth By the Numbers - NASA Solar System Exploration
Jan 9, 2025 · Our Mission.And the one planet that NASA studies more than any other. NASA. Solar System Exploration Our Galactic Neighborhood. ... Earth's Moon Stay Connected. Solar System. Our Solar System; Sun; Kuiper Belt; Oort Cloud; Beyond Our Solar System; Eclipses; Planets. About Planets; PLANETS Mercury; Venus; Earth; Mars;
RPS 3D Viewer - NASA Solar System Exploration
Jan 9, 2025 · 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 By the Numbers - NASA Solar System Exploration
May 7, 2024 · Jupiter is the fifth planet from the Sun, and the largest in the solar system – more than twice as massive as the other planets combined.
Pluto By the Numbers – NASA Solar System Exploration
Jan 9, 2025 · Pluto was once our solar system's ninth planet, but has been reclassified as a dwarf planet. It's located in the Kuiper Belt.
In Depth | Sun – NASA Solar System Exploration
The Sun is the largest object in our solar system. Its diameter is about 865,000 miles (1.4 million kilometers). Its gravity holds the solar system together, keeping everything from the biggest planets to the smallest bits of debris in orbit around it.
Mars By the Numbers - NASA Solar System Exploration
Jan 9, 2025 · Mars is the fourth planet from the Sun, and the seventh largest. It’s the only planet we know of inhabited entirely by robots.
The Solar System and Beyond is Awash in Water
Apr 6, 2015 · Earth isn't the only ocean world in our solar system. Oceans could exist in diverse forms on moons and dwarf planets, offering clues in the quest to discover life beyond our home planet. This illustration depicts the best known candidates in …