In Depth | Our Solar System – NASA Solar System Exploration
Most of the hundreds of billions of stars in our galaxy are thought to have planets of their own, and the Milky Way is but one of perhaps 100 billion galaxies in the universe.
In Depth | Sun – NASA Solar System Exploration
The Sun orbits the center of the Milky Way, bringing with it the planets, asteroids, comets, and other objects in our solar system. Our solar system is moving with an average velocity of …
Solar System Exploration
Dec 4, 2025 · Our solar system is located in the Milky Way, a barred spiral galaxy with two major arms, and two minor arms. Our Sun is in a small, partial arm of the Milky Way called the Orion …
Science Overview Voyage is a 1 to 10-billion scale model of the Solar System that was permanently installed in Washington, D.C., in October 2001. The real Solar System is exactly …
Kids - NASA Science
A Learning Center for Young Astronomers Learn about the solar system, the Milky Way galaxy, and the universe beyond.
The Sun By the Numbers – NASA Solar System Exploration
Oct 21, 2025 · The Sun is the star at the heart of our solar system. Its gravity holds the solar system together, keeping everything – from the biggest planets to the smallest bits of debris – …
NASA Science Articles & Stories - NASA Science - NASA Solar …
Hubble Watches Star Tear Apart its Neighborhood - NASA Science https://science.nasa.gov/asset/hubble/hubble-watches-star-tear-apart-its-neighborhood …
In Depth | Lysithea – NASA Solar System Exploration
In one account, Zeus promised to do whatever Lysithea asked after he impregnated her, and Hera (Zeus' wife and sister) tricked her into asking for Zeus to come to her in the same way he …
The objectives of the Chinese Lunar Exploration Program that launched the Chang’e missions is to help pave the way for future human exploration missions. For more information, visit …
Science Missions - NASA Science - NASA Solar System Exploration
Sep 24, 2025 · In celebration of the Hubble Space Telescope’s 35 years in Earth orbit, NASA is releasing an assortment of compelling images recently taken by Hubble, stretching from the …