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Loading contentA starting point for exploring the universe — featured objects and the connections between them.
The brightest star in the night sky, in Canis Major.
The nearest large spiral galaxy to the Milky Way and the most distant object readily visible to the naked eye.
The supermassive black hole at the center of the Milky Way, imaged by the Event Horizon Telescope in 2022.
A diffuse emission nebula and active star-forming region, one of the brightest nebulae visible to the naked eye.
Pluto is a dwarf planet in the Kuiper Belt beyond the orbit of Neptune.
The bright stars that make up the constellation Orion, the Hunter.
Jupiter's major moons, including the four Galilean moons discovered by Galileo.
Major moons of Saturn, including Titan and Enceladus.
Spacecraft and observatories operated by NASA in the knowledge graph.
Spacecraft whose mission target is the planet Mars.
Orbiting observatories that study the universe from above the atmosphere.
Deep-sky objects the James Webb Space Telescope has studied.
The Sun, planets, and dwarf planets bound by the Sun's gravity.
Mythological figures linked to the constellations and the night sky.
Galaxies, nebulae, star clusters, and black holes beyond the Solar System.
The deep-sky objects of Charles Messier's catalogue.
Selected objects from the New General Catalogue.
The major moons of Uranus, named for literary characters.
Rockets that carry missions to orbit and beyond.