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Betelgeuse’s Atmosphere is Back to Normal after Great Dimming Event, New Radio Observations Show

New radio observations with NSF’s Karl G. Jansky Very Large Array (VLA) and the Atacama Large Millimeter/submillimeter Array (ALMA) show the red supergiant star’s outer atmosphere has rebounded and hint that its recently identified companion star is reshaping it. The post Betelgeuse’s Atmosphere is Back to Normal after Great Dimming Event, New Radio Observations Show appeared first on Sci.News:…

Betelgeuse’s Atmosphere is Back to Normal after Great Dimming Event, New Radio Observations Show

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NASA Celebrates a Year of Progress Since First X-59 Flight

One year ago, NASA’s Quesst mission made history with the first flight of the X-59 quiet supersonic research aircraft. Since then, the X-59 has completed 40 additional flights, marking a year of steady progress for the program. While its first flight on Oct.

APOD: 2026 October 9 – Stickney Crater

NASA의 '오늘의 천문학 사진(APOD)' 2026년 10월 9일자, 포보스의 스티크니 크레이터(Stickney Crater). 지름 9km, 포보스 전체... 스티크니 분화구 속에 숨겨진 시각 재활 서론 NASA APOD가 2026년 10월 9일 포보스에 있는 스티크니 크레이터(Stickney Crater)를 공개했다.

  • Stickney Crater occupies one-third of Phobos surface
  • Dramatic light and shadow play creates depth effect
  • VR app Amblyotube helps train vision with depth perception

Humidity can change how smoke pollutants transform after dark

What happens to smoke particles after sunset can depend strongly on something as familiar as the amount of water in the air. New research from Md. Sohel Rana and Marcelo I. Guzman at the University of Kentucky shows that relative humidity can redirect the chemical pathways involved in the nighttime oxidation of catechol, a phenolic…

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