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It moves through the darkness on a path so long that humans had only begun to farm the first grains when it last came close to the Sun. Sedna, a distant dwarf planet three-quarters the size of Pluto, ...
The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...
Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...
The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...
Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...
Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...
Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...
Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...
Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...
The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...
The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...
The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...