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Astronomers solve the mystery of a galaxy with 99.99% dark matter

The mystery of a galaxy that shouldn’t exist may now have a solution. Dragonfly 44, a faint galaxy made up of 99.99 percent dark matter in 2016, has been closely examined and shows a lower and more normal amount of dark matter. This would mean we don’t have to revise our models of galaxy formation to figure out how they …

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Geologists solve crucial puzzles around the deposits of rare earth elements

An international team of scientists has helped to solve a long-standing mystery of how rare earth element deposits form underground – and sometimes seem to disappear without a trace. Rare Earth Elements (REEs) are a series of 17 precious chemical elements that are incredibly important in the manufacture of technological devices and are used as key raw materials for smartphones, …

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The Nazi shipwreck found off Poland could solve the Amber Room riddle

Polish divers say they found the wreckage of a German WWII ship that could help solve a decades-long mystery surrounding the whereabouts of the Amber Room, an ornate chamber the Nazis looted from a Tsarist palace in Russia. The room, decorated with amber and gold, was part of the Catherine Palace near St. Petersburg. It was last seen in K√∂nigsberg, …

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Amazon Luna doesn’t solve cloud gaming’s biggest problems

image:: Amazon Luna – no, not the surprisingly delicious protein bars –is Amazon’s upcoming foray into the world of cloud gaming. Some of us probably rolled our eyes at the announcement and thought, “Ugh, why does Amazon have to have its greedy little paws on everything?” When you delve into the announcement and see what the service will offer at …

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NASA is looking for BIG ideas from universities to solve a chaotic lunar problem

A dusty lunar landscape as presented by NASA’s Advanced Concepts Laboratory. Photo credit: NASA NASA Liaises with university students to solve the moon dust problem as the agency plans sustainable human exploration of the moon as part of the Artemis program. Moondust consists mainly of small particles that stick to almost everything. It’s abrasive and can damage things including spacesuits, …

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Solve a puzzle of the solar system with ancient evidence of star explosions from the deep sea

A secret about the space around our solar system is unfolding thanks to the evidence of supernovae in deep-sea sediments. Professor Anton Wallner, nuclear physicist at ANU, led the study, which shows that the earth has been moving through a cloud of weakly radioactive dust for 33,000 years. “These clouds could be remnants of previous supernova explosions, a powerful and …

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How do you solve a lunar secret? Fire a laser at it

The moon is drifting away. Every year it gets about an inch and a half away from us. In hundreds of millions of years, our companion in the sky will be so far away that there will be no more total solar eclipses. For decades, scientists have measured the moon’s retreat by firing a laser at light-reflecting panels called retroreflectors …

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Sunlight could solve the biggest problem of drinking water in 30 minutes

Pure drinking water is one of the essential elements of life. However, safe drinking water is not a reality for over 2 billion people around the world. These people are at risk of developing potentially fatal water-borne diseases such as typhoid and polio. According to the World Health Organization (WHO), this vulnerable population is expected to grow over the next …

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The new “VisorSats” from SpaceX will not solve astronomy problems, says the scientist

After a two-month hiatus, SpaceX has resumed the launch of dozens of satellites in its move to provide the earth with high-speed Internet access. The satellites are a new “VisorSat” variety to make them less shiny on the ground and especially on astronomers’ telescopes. However, the researchers say that while the spacecraft’s experimental new feature is helpful, it cannot fully …

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