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NASA renames the distant ice world after the Nazi controversy in "Arrokoth"

Ultima Thule, the farthest cosmic body ever visited by a spaceship, was renamed Arrokoth or "Heaven" in the Native American language after the Nazi connotations of the previous name were turned upside down. NASA's New Horizons spacecraft surveyed the icy rock in January, orbiting the dark and cold Kuiper belts about a billion miles beyond Pluto. Pictures showed that it …

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Sunburst Arc doppelgangers trapped in distant regions of the universe

Captured by NASA / ESA's Hubble Space Telescope, this image shows a huge galaxy cluster about 4.6 billion light-years away. Along its borders, four bright arches are visible; These are copies of the same distant galaxy nicknamed "Sunburst Arc". The Sunburst Arc galaxy is nearly 11 billion light-years away and the light from it is directed by gravity lenses into …

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In a distant galaxy, colliding exoplanets become more current, which we knew about the formation of the solar system

Solar systems form in a school of hard knocks. Take, for example, ours: The Earth had barely cooled 4.5 billion years ago when it was struck in the face by a renegade Mars-sized rock and both bodies became huge lava balls. Scientists believe that this cosmic collision spewed so much debris into the air that it finally fused into Earthmoon …

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Bam! Scientists observe the collision of distant exoplanets

Astronomers love a hot mess – at least when it tells them more about how solar systems work. When scientists examined a star system called BD +20 307 a decade ago, they saw a lot of warm dust. And when they checked in again with SOFIA, an aircraft telescope operated by NASA and their German counterpart the scientists saw even …

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Scientists show how to build a wormhole to traverse the distant regions of the cosmos Science | news

In the paper titled "Crossable Wormholes in Four Dimensions," Princeton physicists Juan Maldacena, Alexey Milekhin, and Fedor Popov said, "We constructed a traversable wormhole solution in four dimensions." This is accomplished by placing a large magnetic charge near extreme black holes. "The scientists said that turning the black holes is important," so that they can be separated from each other, …

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A distant asteroid collision gave Earth's biodiversity an age-old thrust

About 466 million years ago, there was an asteroid collision in the asteroid belt between Mars and Jupiter. The collision caused the breakup of a large asteroid and created a dust shower throughout the entire solar system. This event is called Ordovician Meteor Event and its dust caused an ice age here on Earth. This ice age contributed to a …

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The black hole of a distant galaxy flares unexpectedly

<! – -> X-ray of the active black hole in the nucleus of the distant galaxy GSN 069, about 250 million light-years away. The upper part of the animation shows observations from the X-ray room telescope XMM-Newton of ESA. The graph in the lower part shows variations in the X-ray brightness of the black hole in relation to its "resting …

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Hubble telescope spewed water raining on distant world

The Hubble Space Telescope ” src=”http://media.nature.com/w800/magazine-assets/d41586-019-02721-2/d41586-019-02721-2_17159864.jpg”/> The Hubble Space Telescope pass in the front of their stars. Credit: NASA Astronomers have spotted hints of water raining in the atmosphere of a planet beyond the solar system. The discovery is a rare glimpse of water molecules around a world that is not much bigger than Earth , Named K2-18 b, the …

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What made blue and green lights shine in a distant galaxy? Scientists are stunned by this interstellar puzzle

The bright rays belong to ULX-4, short for the fourth ultraluminous X-ray source found in the fireworks galaxy, some 22 million light-years from Earth. However, this ULX had a shorter life than its predecessors. Within 10 days of observations with NASA's NuSTAR and Chandra telescopes, it was no longer detectable, burning brightly and just as quickly becoming invisible again. "Ten …

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