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Bookmark or Share- In Depth | Hayabusa 2 – NASA Solar System ExplorationAsteroids, comets, Kuiper Belt Objects—all kinds of small bodies of rock, metal and ice are in constant motion as they orbit the Sun. But what’s the difference between them? Why do these miniature worlds fascinate space explorers so much?
- In Depth | Our Solar System – NASA Solar System ExplorationOur 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.
- Planet Compare – NASA Solar System ExplorationNASA’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 | Oumuamua – NASA Solar System ExplorationThe first known interstellar object to visit our solar system, 1I/2017 U1 ‘Oumuamua, was discovered Oct. 19, 2017 by the University of Hawaii’s Pan-STARRS1 telescope, funded by NASA’s Near-Earth Object Observations (NEOO) Program, which finds and tracks asteroids and comets in Earth’s neighborhood. While originally classified as a comet ...
- Earth By the Numbers – NASA Solar System ExplorationYour home. Our Mission.And the one planet that NASA studies more than any other.
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