Pluto

This Jan. 1, 2019 image from NASA shows Arrokoth, the farthest, most primitive object in the Solar System ever to be visited by a spacecraft. Astronomers reported Thursday, Feb. 13, 2020 that this pristine, primordial cosmic body photographed by the New Horizons probe is relatively smooth with far fewer craters than expected. It's also entirely ultrared, or highly reflective, which is commonplace in the faraway Twilight Zone of our solar system known as the the Kuiper Belt. (NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/Roman Tkachenko via AP)
February 13, 2020 - 2:36 pm
CAPE CANAVERAL, Fla. (AP) — NASA's space snowman is revealing fresh secrets from its home far beyond Pluto. More than a year after its close encounter with the snowman-shaped object, the New Horizons spacecraft is still sending back data from more than 4 billion miles (6.4 billion kilometers) away...
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In this photo provided by NASA, New Horizons principal investigator Alan Stern, of the Southwest Research Institute in Boulder, Colo., center, celebrates with school children at the exact moment that the New Horizons spacecraft made the closest approach of Kuiper Belt object Ultima Thule, early Tuesday, Jan. 1, 2019, at Johns Hopkins University Applied Physics Laboratory in Laurel, Md. (Bill Ingalls/NASA via AP)
January 01, 2019 - 5:18 pm
LAUREL, Md. (AP) — NASA's New Horizons spacecraft pulled off the most distant exploration of another world Tuesday, skimming past a tiny, icy object 4 billion miles from Earth that looks to be shaped like a bowling pin. Flight controllers in Maryland declared success 10 hours after the high-risk,...
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In this photo provided by NASA, New Horizons principal investigator Alan Stern, of the Southwest Research Institute in Boulder, Colo., center, celebrates with school children at the exact moment that the New Horizons spacecraft made the closest approach of Kuiper Belt object Ultima Thule, early Tuesday, Jan. 1, 2019, at Johns Hopkins University Applied Physics Laboratory in Laurel, Md. (Bill Ingalls/NASA via AP)
January 01, 2019 - 4:40 pm
LAUREL, Md. (AP) — NASA's New Horizons spacecraft pulled off the most distant exploration of another world Tuesday, skimming past a tiny, icy object 4 billion miles from Earth that looks to be shaped like a bowling pin. Flight controllers in Maryland declared success 10 hours after the high-risk,...
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In this photo provided by NASA, New Horizons principal investigator Alan Stern, of the Southwest Research Institute in Boulder, Colo., center, celebrates with school children at the exact moment that the New Horizons spacecraft made the closest approach of Kuiper Belt object Ultima Thule, early Tuesday, Jan. 1, 2019, at Johns Hopkins University Applied Physics Laboratory in Laurel, Md. (Bill Ingalls/NASA via AP)
January 01, 2019 - 2:03 pm
LAUREL, Md. (AP) — NASA's New Horizons spacecraft has survived the most distant exploration of another world, a tiny, icy object 4 billion miles away that looks to be shaped like a peanut or bowling pin. Word of success came 10 hours after the middle-of-the-night encounter, once flight controllers...
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In this photo provided by NASA, New Horizons principal investigator Alan Stern, of the Southwest Research Institute in Boulder, Colo., center, celebrates with school children at the exact moment that the New Horizons spacecraft made the closest approach of Kuiper Belt object Ultima Thule, early Tuesday, Jan. 1, 2019, at Johns Hopkins University Applied Physics Laboratory in Laurel, Md. (Bill Ingalls/NASA via AP)
January 01, 2019 - 12:51 pm
LAUREL, Md. (AP) — NASA's New Horizons spacecraft has survived the most distant exploration of another world, a tiny, icy object 4 billion miles away that looks to be shaped like a peanut or bowling pin. Word of success came 10 hours after the middle-of-the-night encounter, once flight controllers...
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In this photo provided by NASA, New Horizons principal investigator Alan Stern, of the Southwest Research Institute in Boulder, Colo., center, celebrates with school children at the exact moment that the New Horizons spacecraft made the closest approach of Kuiper Belt object Ultima Thule, early Tuesday, Jan. 1, 2019, at Johns Hopkins University Applied Physics Laboratory in Laurel, Md. (Bill Ingalls/NASA via AP)
January 01, 2019 - 11:29 am
LAUREL, Md. (AP) — NASA's New Horizons spacecraft has survived humanity's most distant exploration of another world. Ten hours after the middle-of-the-night encounter 4 billion miles (6.4 billion kilometers) away, flight controllers in Laurel, Maryland, received word from the spacecraft late...
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In this photo provided by NASA, New Horizons principal investigator Alan Stern, of the Southwest Research Institute in Boulder, Colo., center, celebrates with school children at the exact moment that the New Horizons spacecraft made the closest approach of Kuiper Belt object Ultima Thule, early Tuesday, Jan. 1, 2019, at Johns Hopkins University Applied Physics Laboratory in Laurel, Md. (Bill Ingalls/NASA via AP)
January 01, 2019 - 4:24 am
LAUREL, Md. (AP) — The NASA spacecraft that yielded the first close-up views of Pluto opened the new year at an even more distant world, a billion miles beyond. Flight controllers said everything looked good for New Horizons' flyby of the tiny, icy object at 12:33 a.m. Tuesday. Confirmation was not...
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In this photo provided by NASA, New Horizons principal investigator Alan Stern, of the Southwest Research Institute in Boulder, Colo., center, celebrates with school children at the exact moment that the New Horizons spacecraft made the closest approach of Kuiper Belt object Ultima Thule, early Tuesday, Jan. 1, 2019, at Johns Hopkins University Applied Physics Laboratory in Laurel, Md. (Bill Ingalls/NASA via AP)
January 01, 2019 - 1:21 am
LAUREL, Md. (AP) — The NASA spacecraft that yielded the first close-up views of Pluto opened the new year at an even more distant world, a billion miles beyond. Flight controllers said everything looked good for New Horizons' flyby of the tiny, icy object at 12:33 a.m. Tuesday. Confirmation was not...
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FILE - This illustration provided by NASA shows the New Horizons spacecraft. NASA launched the probe in 2006; it's about the size of a baby grand piano. NASA’s New Horizons spacecraft is set to fly past the mysterious object nicknamed Ultima Thule at 12:33 a.m. Tuesday, Jan. 1, 2019. (NASA/JHUAPL/SwRI via AP)
January 01, 2019 - 12:54 am
LAUREL, Md. (AP) — The NASA spacecraft that yielded the first close-up views of Pluto opened the new year at an even more distant world, a billion miles beyond. Flight controllers said everything looked good for New Horizons' flyby of the tiny, icy object at 12:33 a.m. Tuesday. Confirmation was not...
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FILE - This illustration provided by NASA shows the New Horizons spacecraft. NASA launched the probe in 2006; it's about the size of a baby grand piano. NASA’s New Horizons spacecraft is set to fly past the mysterious object nicknamed Ultima Thule at 12:33 a.m. Tuesday, Jan. 1, 2019. (NASA/JHUAPL/SwRI via AP)
January 01, 2019 - 12:35 am
LAUREL, Md. (AP) — The NASA spacecraft that yielded the first close-up views of Pluto opened the new year at an even more distant world, a billion miles beyond. Flight controllers said everything looked good for New Horizons' flyby of the tiny, icy object at 12:33 a.m. Tuesday. Confirmation was not...
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