Do-It-Yourself | Kids – NASA Solar System Exploration
Oct 24, 2024 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
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.
More Kids Stuff | Kids – NASA Solar System Exploration
Oct 24, 2024 · This is place to find all the latest and greatest stuff created just for kids by NASA. There are plenty of games, stories, arts and crafts, plus links to the coolest NASA sites. Sorry grownups, this space is for kids only.
NASA Planetary Science Highlights: 2021 - NASA Solar System …
Dec 23, 2021 · Here’s the 2021 round-up of NASA planetary science, highlighting the year’s most spectacular images, the most ground-breaking discoveries, and the most incredible mission milestones. February 18, 2021: Touchdown! The Perseverance Rover Lands on Mars. NASA's Perseverance Mars Rover Milestones - 2021 Year in Review. Watch on.
What is a Planet? | Planets – NASA Solar System Exploration
A planet is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit.
About | Science Goals – NASA Solar System Exploration
Mar 11, 2010 · The program will achieve long-standing scientific goals with a suite of new missions across the solar system. It will provide fundamental new scientific knowledge, engage a broad segment of the planetary science community, and have wide appeal for the general public whose support enables the program. The 2013 Decadal Survey provides an ...
Rings | Science – NASA Solar System Exploration
During Saturn's equinox, when the rings face the sun edge-on, Cassini watched ring particles produce elongated shadows that revealed unexpectedly immense ring chunks that measured miles (kilometers) in size. No other planet in our solar system has rings as splendid as Saturn’s.
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).
In Depth | Earth – NASA Solar System Exploration
When the solar system settled into its current layout about 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun. Like its fellow terrestrial planets, Earth has a central core, a rocky mantle, and a solid crust.
About Us - NASA Solar System Exploration
Oct 24, 2024 · We provide the public with reliable, accurate, up-to-date information about the planets, moons, asteroids, comets and everything else in our solar system. We also provide a complete historical record of deep space exploration.