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카페글 본문
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Drowning 2023.06.01해당카페글 미리보기
normal atmospheric pressure.[24] Shallow water blackout caused by hyperventilation prior to swimming or diving. The primary urge to breathe is triggered by rising carbon dioxide (CO2) levels in the bloodstream.[25] The body detects CO2...
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공기 2019.03.30해당카페글 미리보기
and Space Shuttle typically orbit at 350–400 km, within the F-layer of the ionosphere where they encounter enough atmospheric drag to require reboosts every few months. Depending on solar activity, satellites can experience noticeable...
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과학자들이 여전히 바쁘게 지내는 카시니 결과 2017.10.20해당카페글 미리보기
calculate the strength of Saturn's gravity field from data downlinked from Cassini and remove the effect of atmospheric drag from the measurements. 과학자들은 여전히 Cassini에서 다운 링크 된 데이터로부터 토성의 중력장의 강도를 계산하고...
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밤하늘에 나타난 불덩어리, 트위터 난리 2012.03.06해당카페글 미리보기
that would essentially shoot puffs of air into the path of orbiting debris. Even that slight increase in atmospheric drag could force junk to fall back to Earth. NASA just gave $1.9 million to Star Technology and Research, a small...
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달의 먼지는 죽일수 있네요 ㄱ-;; 2008.01.19해당카페글 미리보기
stuff--"moondust." Here on Earth, no one pays much heed to dust or sand blasted out by a rocket launch because "atmospheric drag rapidly slows the lightweight particles so they fall harmlessly to the ground a few meters from the blast...