About the Planets - Science@NASA
The solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris.
Solar System Facts - Science@NASA
Our solar system includes the Sun, eight planets, five officially named dwarf planets, and hundreds of moons, and thousands of asteroids and comets. Our solar system is located in the Milky Way, a barred spiral galaxy with two major arms, and two minor arms.
Solar System Exploration - NASA Science
Learn about the planets in our solar system. The solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are five officially recognized dwarf planets in our solar system: Ceres, Pluto, Haumea, Makemake, and Eris. Get the Facts.
Hypothetical Planet X - NASA Science
This hypothetical Neptune-sized planet would circle our Sun on a highly elongated path, far beyond Pluto. It could have a mass about 5 to 10 times that of Earth and orbit about 20 to 30 times farther from the Sun on average than Neptune.
Planet Sizes and Locations in Our Solar System - NASA Science
Mar 29, 2024 · Our solar system has eight planets, and five officially recognized dwarf planets. Which planet is biggest? Which is smallest? What is the order of the planets as we move out from the Sun?
Jupiter - NASA Science
Jupiter is a world of extremes. Jupiter is the largest planet in our solar system. If Jupiter was a hollow shell, 1,000 Earths could fit inside. Jupiter also is the oldest planet, forming from the dust and gases left over from the Sun's formation 4.5 billion years ago.
Our Solar System - NASA Science
Mar 15, 2016 · Our solar system is made up of a star—the Sun—eight planets, 146 moons, a bunch of comets, asteroids and space rocks, ice, and several dwarf planets, such as Pluto. The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
Life in Our Solar System? Meet the Neighbors - NASA Science
Nov 10, 2020 · A tour of our solar system reveals a stunning diversity of worlds, from charbroiled Mercury and Venus to the frozen outer reaches of the Oort Cloud. In between are a few tantalizing prospects for life beyond Earth – subterranean Mars, maybe, or the moons of giant planets with their hidden oceans – but so far, it’s just us.
10 Things: Planetary Atmospheres - NASA Science
May 14, 2018 · Here are 10 tidbits: 1. On Earth, we live in the troposphere, the closest atmospheric layer to Earth’s surface. “Tropos” means “change,” and the name reflects our constantly changing weather and mixture of gases.
Solar System: Exploration - Science@NASA
This 3D simulation of our solar system is powered by real spacecraft data. "The thing I love the most about our solar system is that it's an incredible natural laboratory," said Dr. Lori Glaze, director of NASA's Planetary Science Division.