Solar System, Galaxy, Universe: What’s the Difference? - Science@NASA
2017年6月1日 · Many people are not clear about the difference between our Solar System, our Milky Way Galaxy, and the Universe. Let’s look at the basics. Our Solar System consists of our star, the Sun, and its orbiting planets (including Earth), along with numerous moons, asteroids, comet material, rocks, and dust.
Differences Between the Solar System, Galaxies & the Universe
The Milky Way Galaxy, which contains our solar system, is home to hundreds of billions of stars, and is just one of the vast number of galaxies scattered throughout the universe. The universe encompasses everything in existence, from the smallest particle to the largest galaxy cluster.
News & Resources | Night Sky Network - NASA
2013年3月31日 · Many people are not clear about the difference between our Solar System, our Milky Way Galaxy, and the Universe. Let’s look at the basics. Our Solar System consists of our star, the Sun, and its orbiting planets (including Earth), along with numerous moons, asteroids, comet material, rocks, and dust.
What Is a Galaxy? | NASA Space Place – NASA Science for Kids
2025年1月2日 · What Is a Galaxy? The Short Answer: A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. We live on a planet called Earth that is part of our solar system. But where is our solar system? It’s …
Galaxies - NASA Science
Our home galaxy is called the Milky Way. It’s a spiral galaxy with a disk of stars spanning more than 100,000 light-years. Earth is located along one of the galaxy’s spiral arms, about halfway from the center. Our solar system takes about 240 million years to orbit the Milky Way just once.
Solar System Exploration - NASA Science
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.
ViewSpace
ViewSpace videos tell the stories of the planets, stars, galaxies, and universe, giving viewers the opportunity to experience space and Earth as seen with satellites and telescopes. Astronomy: Explore the sky with stories told through spectacular imagery from space telescopes.
Solar System vs Galaxy vs Universe - Optical Mechanics, Inc.
The solar system, the galaxy, and the universe, while all part of the same entire entity, are very different in their relative sizes and compositions. This article will break down the differences between them and discuss the evolution and facts about each.
Universe, Galaxies, Milky Way galaxy, Solar System, Origin of Universe …
2021年11月8日 · The solar system. The solar system contains the Sun and eight planets revolving around the Sun, The solar system is located in one of the spiral arms of the Milky Way on the edge of the galaxy, The Sun takes about 220 million years to complete one rotation around the centre of the galaxy, The Earth is one of the planets that rotate around the Sun.
Earth and Space - BBC Bitesize
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. Our Sun is in a spiral galaxy called the Milky Way.