In Depth | Our Solar System - NASA Solar System Exploration
The planetary system we call home is located in an outer spiral arm of the Milky Way galaxy. 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 ...
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 450,000 miles per hour (720,000 kilometers per hour).
Galleries | Galileo – NASA Solar System Exploration
2018年7月11日 · Galileo sparked the birth of modern astronomy with his observations of the Moon, phases of Venus, moons around Jupiter, sunspots, and the news that seemingly countless individual stars make up the Milky Way Galaxy.
Katie McKissick | Former Science Writer - NASA Solar System …
It was by far the most stars I had ever seen, and I could barely believe how many there were. I still have never been anywhere so dark that I could see the haze of the Milky Way, but that's on my to-do list. How did you end up working in the space program? I got here in a very roundabout way.
Raw Images – NASA Solar System Exploration
2023年9月21日 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
Dawn Heads Toward Final Orbit - NASA Solar System Exploration
2015年10月26日 · The spacecraft is now on its way to the final orbit of the mission, called the low-altitude mapping orbit. Dawn will spend more than seven weeks descending to this vantage point, which will be less than 235 miles (380 kilometers) from the surface of Ceres.
What Scientists Found After Sifting Through Dust in the Solar System
2019年3月12日 · By studying this dust — what it’s made of, where it comes from, and how it moves through space — scientists seek clues to understanding the birth of planets and the composition of all that we see in the solar system.
Stardust - NASA's Comet Sample Return Mission - NASA Solar …
Stardust sample return capsule will join the collection of flight icons in the Smithsonian's National Air and Space Museum in Washington. The capsule will go on public display in the museum's Milestones of Flight Gallery on Oct. 1, the 50th anniversary of NASA.
Grand Finale | The Journey – NASA Solar System Exploration
2025年1月9日 · Cassini’s final 22 orbits carried the spacecraft on an elliptical path, diving at tens of thousands of miles per hour through the 1,500-mile-wide (2,400-kilometer-wide) space between the rings and the planet, where no spacecraft has explored before.
Basics of Space Flight - NASA Solar System Exploration
NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.