Solar System - Wikipedia
Over 99.86% of the Solar System's mass is in the Sun and nearly 90% of the remaining mass is in Jupiter and Saturn. There is a strong consensus among astronomers [e] that the Solar System has at least nine dwarf planets: Ceres, Orcus, Pluto, Haumea, Quaoar, Makemake, Gonggong, Eris, and Sedna.
How Big Is the Solar System? - NASA Science
Feb 1, 2020 · Our solar system's largest planet is an average distance of 484 million miles (778 million kilometers) from the Sun. That's 5.2 AU. Jupiter is the largest of the planets, spanning nearly 1.75 millimeters in diameter on our football field scale.
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?
How Big Is The Solar System? - WorldAtlas
Jul 1, 2022 · One light year is equivalent to 5.88 trillion miles (9.46 trillion kilometres), and so the solar system would be trillions of miles in size. The size of the solar system is dependent upon what definition you use, which can range from 11 billion miles to over five trillion miles.
Solar System Sizes - NASA Science
Oct 24, 2003 · The Solar System: Planet Sizes. This illustration shows the approximate sizes of the planets relative to each other. Outward from the Sun, the planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, followed by the dwarf planet Pluto.
The best way to appreciate the size of our solar system is by creating a scaled model of it that shows how far from the sun the eight planets are located. Astronomers use the distance between Earth and sun, which is 93 million miles, as a new unit of measure called the Astronomical Unit.
Diameter of planets and their distance from the Sun in kilometers (km): Planet. Diameter (km) Distance from Sun (km) Sun.
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.
How Big is the Solar System? - Universe Today
Sep 3, 2013 · But the true size of the Solar System is defined by the reach of its gravity; how far away an object can still be said to orbit the Sun.
Solar system | Definition, Planets, Diagram, Videos, & Facts
5 days ago · 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.