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Our solar system has one star, eight planets, five officially named dwarf planets, hundreds of moons, thousands of comets, and more than a million asteroids. Learn about the planets in our solar system. The solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
- Outer Planets & Ocean Worlds
The successful Galileo and Cassini missions to Jupiter and...
- Small Bodies of The Solar System
The small bodies in the solar system include comets,...
- How Did The Solar System Evolve
How did life begin and evolve on Earth, and has it evolved...
- Missions
NASA Science missions circle the Earth, the Sun, the Moon,...
- Outer Solar System
The fifth planet from our Sun, Jupiter is the largest planet...
- Inner Solar System
Venus has a thick atmosphere that traps heat in a runaway...
- PDE Elements
Solar System Treks are online, browser-based portals that...
- New Frontiers
The New Frontiers Program strives to produce the following...
- Outer Planets & Ocean Worlds
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.
Asteroids, comets, and meteors are chunks of rock, ice, and metal left over from the formation of our solar system about 4.6 billion years ago.
26 sty 2024 · Our Solar System is filled with countless asteroids, comets, and other small worlds left over from the disk of dust and gas that formed the planets 4.5 billion years ago. Some of them come close to the Earth, and some enter our atmosphere and even make it to the ground.
Astronomers sometimes divide the Solar System structure into separate regions. The inner Solar System includes Mercury, Venus, Earth, Mars, and the bodies in the asteroid belt. The outer Solar System includes Jupiter, Saturn, Uranus, Neptune, and the bodies in the Kuiper belt. [35]
6 dni temu · Solar system, assemblage consisting of the Sun and those bodies orbiting it: 8 planets with about 210 known planetary satellites; many asteroids, some with their own satellites; comets and other icy bodies; and vast reaches of highly tenuous gas and dust known as the interplanetary medium.
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.