Planet Compare - NASA Solar System Exploration
Oct 21, 2025 · 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 …
In Depth | Moons – NASA Solar System Exploration
Of the terrestrial (rocky) planets of the inner solar system, neither Mercury nor Venus have any moons at all, Earth has one and Mars has its two small moons. In the outer solar system, the …
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 …
Asteroids, Comets & Meteors - NASA Solar System Exploration
Solar System Our Solar System Sun Kuiper Belt Oort Cloud Beyond Our Solar System Eclipses Planets About Planets Moons About Moons Asteroids, Comets & Meteors About Asteroids, …
RPS 3D Viewer - NASA Solar System Exploration
Oct 21, 2025 · Planets About Planets PLANETS Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
In Depth | Earth's Moon – NASA Solar System Exploration
That means 30 Earth-sized planets could fit in between Earth and the Moon. The Moon is slowly moving away from Earth, getting about an inch farther away each year.
In Depth | Oumuamua – NASA Solar System Exploration
Its outbound path is about 20 degrees above the plane of planets that orbit the Sun. The object passed Mars’s orbit around Nov. 1 and will pass Jupiter’s orbit in May of 2018.
after designing the scale model Solar System is to go outside and actually lay it out. Students can make a sign for each planet showing the name of the planet in large letters (visible from other …
In Depth | Europa – NASA Solar System Exploration
Each planet in the inner solar system is less dense than its inner neighbor – Mars is less dense than Earth, which is less dense than Venus, which is less dense than Mercury.