Solar system | Definition, Planets, Diagram, Videos, & Facts
Solar system, assemblage consisting of the Sun and those bodies orbiting it: 8 planets with more than 400 known planetary satellites; many asteroids, some with their own
Solar System Exploration
Our solar system includes the Sun, eight planets, five officially named dwarf planets, hundreds of moons, and thousands of asteroids and comets. Our solar system is
Solar system | Definition, Planets, Diagram, Videos, & Facts
Wikipedia
Discovery and exploration of the Solar System - Wikipedia
OverviewPre-telescopeTelescopic observationsObservations by radarObservations by spacecraftCrewed explorationExploration by countryExploration surveyThe first humans had limited understanding of the celestial bodies that could be seen in the sky. The Sun, however, was of immediate interest, as it generates the day-night cycle. Also, dawn and sunset always appear at roughly the same points of the horizon, which helped to develop the cardinal directions. The Moon was another body of immediate interest, because of its larger apparent size. The
Solar System Exploration Division
From the Moon and Mars to distant bodies like Bennu, Titan, and celestial realms beyond, Goddard scientists systematically investigate the solar system and planetary systems
The James Webb Space Telescope Transformed How We See
Thanks to the James Webb Space Telescope, the history of our solar system is coming into focus.
Horizons System
With a historically typical uptime of more than 99.9%, Horizons can be used for real-time operations; however, as with any networked system, users should expect the system to be
Planetary Science at NASA
Planetary science at NASA explores the planets and small bodies of our solar system to help understand its origins and evolution.
Discovery and exploration of the Solar System
True-scale Solar System poster made by Emanuel Bowen in 1747. At that time, neither Uranus, Neptune, nor the asteroid belts had been discovered. Discovery and exploration of the Solar
NASA/JPL Eyes
NASA''s Solar System Interactive (also known as the Orrery) is a live look at the solar system, its planets, moons, comets, and asteroids, as well as the real-time locations of dozens of NASA
NASA Solar System Treks
The Solar System Treks are online, browser-based portals that allow you to visualize, explore, and analyze the surfaces of other worlds using real data returned from a
NASA/JPL Eyes
NASA''s Solar System Interactive (also known as the Orrery) is a live look at the solar system, its planets, moons, comets, and asteroids, as well as