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An asteroid’s moon got a name so NASA can bump it off its course

An asteroid’s moon got a name so NASA can bump it off its course

June 30, 2020 at 8:00 amNewly christened “Dimorphos” is a tiny space rock with a big target on its back.The International Astronomical Union on June 23 for a unique reason: It has been marked for the first-ever asteroid deflection mission. A NASA spacecraft will ram into Dimorphos — on purpose — to alter its path through space. Although Dimorphos is not at risk of striking Earth, its nearness to the planet makes it a prime testing ground for a technique to ward off in the future (SN: 5/2/17). Dimorphos is a moonlet asteroid that orbits a larger asteroid known as Didymos. Until now, the...

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June 30, 2020
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The second-worst Ebola outbreak ever is officially over

The second-worst Ebola outbreak ever is officially over

Society for Science & the Public, which publishes Science News, uses cookies to personalize your experience and improve our services. For more information on how we use cookies on our websites, .ContinueThe second-largest Ebola virus outbreak ever has finally come to an end. Beginning in Congo , the outbreak sickened 3,470 people (SN: 5/18/18). Nearly two-thirds of those patients, or 2,287, died.    June 25 marks 42 days after the last patient linked to the outbreak went home from the hospital on May 14. That’s two full incubation periods for the virus. With no new cases, Congo health...

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June 26, 2020
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To live up to the hype, quantum computers must repair their error problems

To live up to the hype, quantum computers must repair their error problems

Society for Science & the Public, which publishes Science News, uses cookies to personalize your experience and improve our services. For more information on how we use cookies on our websites, .ContinueAstronaut John Glenn was wary about trusting a computer.It was 1962, early in the computer age, and a room-sized machine had calculated the flight path for his upcoming orbit of Earth — the first for an American. But Glenn wasn’t willing to entrust his life to a newfangled machine that might make a mistake.The astronaut requested that mathematician Katherine Johnson double-check the...

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June 22, 2020
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Here’s how flying snakes stay aloft

Here’s how flying snakes stay aloft

Society for Science & the Public, which publishes Science News, uses cookies to personalize your experience and improve our services. For more information on how we use cookies on our websites, .ContinueSubscribers, enter your e-mail address to access the Science News archives.Not a subscriber?.

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June 29, 2020
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Earth’s annual e-waste could grow to 75 million metric tons by 2030

Earth’s annual e-waste could grow to 75 million metric tons by 2030

Society for Science & the Public, which publishes Science News, uses cookies to personalize your experience and improve our services. For more information on how we use cookies on our websites, .ContinueThe planet’s hefty pile of discarded electronics is getting a lot heavier, a new report finds.In 2014, the world collectively tossed an estimated 44.4 million metric tons of unwanted “e-waste” — battery-powered or plug-tethered devices such as laptops, smartphones and televisions. By 2030, , according to the Global E-Waste Monitor 2020. That’s roughly equivalent to eight times the weight of...

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July 2, 2020
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To live up to the hype, quantum computers must repair their error problems

To live up to the hype, quantum computers must repair their error problems

June 22, 2020 at 6:00 amAstronaut John Glenn was wary about trusting a computer.It was 1962, early in the computer age, and a room-sized machine had calculated the flight path for his upcoming orbit of Earth — the first for an American. But Glenn wasn’t willing to entrust his life to a newfangled machine that might make a mistake.The astronaut requested that mathematician Katherine Johnson double-check the computer’s numbers, as recounted in the book Hidden Figures. “If she says they’re good,” Glenn reportedly said, “then I’m ready to go.” Johnson determined that the computer, an IBM 7090,...

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June 22, 2020
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This is the most comprehensive X-ray map of the sky ever made

This is the most comprehensive X-ray map of the sky ever made

Society for Science & the Public, which publishes Science News, uses cookies to personalize your experience and improve our services. For more information on how we use cookies on our websites, .ContinueA new map of the entire sky, as seen in X-rays, looks deeper into space than any other of its kind.The map, released June 19, is based on data from the first full scan of the sky made by the eROSITA X-ray telescope onboard the Russian-German SRG spacecraft, which launched in July 2019. The six-month, all-sky survey, which began in December and wrapped up in June, is only the first of eight...

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July 8, 2020
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Some exoplanets may be covered in weird water that’s between liquid and gas

Some exoplanets may be covered in weird water that’s between liquid and gas

Society for Science & the Public, which publishes Science News, uses cookies to personalize your experience and improve our services. For more information on how we use cookies on our websites, .ContinueSmall worlds around other stars may come in more than two varieties.Using exoplanet densities, astronomers have largely sorted planets that are bigger than Earth but smaller than Neptune into : denser, rocky super-Earths and larger, puffy mini-Neptunes (SN: 6/19/17). Mini-Neptunes are generally thought to be padded in thick layers of hydrogen and helium gas, like the giant planets in our own...

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July 6, 2020
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Underwater caves once hosted the Americas’ oldest known ochre mines

Underwater caves once hosted the Americas’ oldest known ochre mines

July 3, 2020 at 2:00 pmAncient Americans ventured deep into caves along a stretch of Mexico’s Yucatán Peninsula to mine a red pigment that could have had both practical and ritual uses, researchers say.Discoveries of mining-related artifacts and digging areas by divers in three now-submerged cave systems indicate that people there removed a natural pigment called red ochre, say archaeologist Brandi MacDonald of the University of Missouri in Columbia and her colleagues. Radiocarbon dates of burned wood from fires used to illuminate mining areas place humans at these sites between roughly...

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July 3, 2020
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An asteroid’s moon got a name so NASA can bump it off its course

An asteroid’s moon got a name so NASA can bump it off its course

Society for Science & the Public, which publishes Science News, uses cookies to personalize your experience and improve our services. For more information on how we use cookies on our websites, .ContinueNewly christened “Dimorphos” is a tiny space rock with a big target on its back.The International Astronomical Union on June 23 for a unique reason: It has been marked for the first-ever asteroid deflection mission. A NASA spacecraft will ram into Dimorphos — on purpose — to alter its path through space. Although Dimorphos is not at risk of striking Earth, its nearness to the planet makes it...

sciencenews.org
1719 N Street
June 30, 2020
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