Daily News update on – Science


October 18, 2021

NEWS

Space.com

NASA eyes solar array glitch on new Lucy asteroid spacecraft

A new NASA spacecraft headed for the Trojan asteroids near Jupiter has a small issue with its solar panels, but the probe isn’t in immediate danger, space agency officials said. The Lucy spacecraft, which launched smoothly on Saturday (Oct. 16) atop a …

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Space.com

An asteroid zipped past Earth closer than the moon’s orbit yesterday

A bus-sized asteroid made a harmless close pass by our planet on Sunday (Oct. 17). Asteroid 2021 TG14 passed by Earth at a distance of roughly 155,000 miles (250,000 km). That’s well within the orbit of our moon, which orbits at an average distance of …

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Space.com

Astronauts capture stunning aurora from International Space Station

“I caught this aurora just as orbital sunrise was beginning. Breathtaking!” wrote NASA astronaut Shane Kimbrough on Oct. 12, two days after the show took place. With his tweet came a sweeping view of auroras over the barely lit limb of the Earth.

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Space.com

Water vapor detected on Jupiter’s ocean moon Europa

NASA’s Hubble Space Telescope has spotted water vapor on Jupiter’s ocean moon Europa, potentially revealing new clues about icy satellites in our solar system and beyond. Hubble had previously detected water vapor on Europa — in apparent plumes that …

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Spaceflight Now

NASA officials optimistic Lucy asteroid mission will overcome solar array snag

A NASA official said Monday there is “widespread optimism” that a solar array snag discovered on the Lucy asteroid probe after its launch over the weekend will not jeopardize the spacecraft’s 12-year exploration mission.

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CNN

NASA’s Lucy mission carries Amanda Gorman poem, Beatles lyrics to space

Accompanying Lucy on a 12-year journey are messages from Earth, including a poem by inaugural National Youth Poet Laureate Amanda Gorman and lyrics and quotes from the Beatles. The ambitious mission will explore the never-before-seen Trojan asteroid swarms …

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Phys.Org

Hear sounds captured from Mars by NASA’s Perseverance rover

Thanks to two microphones aboard NASA’s Perseverance rover, the mission has recorded nearly five hours of Martian wind gusts, rover wheels crunching over gravel, and motors whirring as the spacecraft moves its arm. These sounds allow scientists and …

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EarthSky

Earth in a tunnel? Decades-old mystery unfolds

An astronomer at the Dunlap Institute at the University of Toronto said on October 14, 2021, that our solar system may be surrounded by what she describes as a magnetic tunnel, visible in radio waves. Jennifer West is an expert in magnetism in galaxies …

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Phys.Org

Astronomers see white dwarf ‘switch on and off’ for first time

The researchers led by Durham University, UK, used NASA’s Transiting Exoplanet Survey Satellite (TESS) to observe the unique phenomenon. White dwarfs are what most stars become after they have burned off the hydrogen that …

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The New York Times

How a Nuclear Bomb Could Save Earth From a Stealthy Asteroid

An atomic blast is not the preferred solution for planetary defense, but 3-D models are helping scientists prepare for a worst-case scenario.

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