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La phosphine sur Vénus : des éruptions volcaniques à la place de microbes ?

La phosphine sur Vénus : des éruptions volcaniques à la place de microbes ?
futura-sciences.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from futura-sciences.com Daily Mail and Mail on Sunday newspapers.

United statesUnited kingdomMassachusetts institute of technologyJane greavesSara seagerArthur clarkeClara sousa silvaDavid laddNgoc truongJanusz petkowskiMark arnaudHarold clayton ureyFranck selsisLinus paulingYuri milnerRussian mission

20 UW researchers elected to the Washington State Academy of Sciences for 2021

A spring day on the University of Washington campus.Dennis Wise Twenty scientists and engineers at the University of Washington are among the 38 new members elected to the Washington State Academy of Sciences for 2021, according to a July 15 announcement. New members were chosen for “their outstanding record of scientific and technical achievement, and their willingness to work on behalf of the Academy to bring the best available science to bear on issues within the state of Washington.” Current academy members selected 29 of the new members. An additional nine were elected by virtue of joining one of the National Academies. New UW members who were elected by current academy members are:

University of washingtonUnited statesPuget soundKristie ebiWesley van voorhisDennis wiseRachel wongPatrick heagertyDan jaffeAnna karlinMunira khalilKristi morgansenSapna cheryanRandall levequeLisa graumlichJonathan himmelfarb

Life on Venus Claim Faces Strongest Challenge Yet

Scientific American New studies knock down a controversial report observing phosphine in the planet’s atmosphere Print The swirling clouds of Venus, as seen by NASA’s Mariner 10 mission in 1974. Credit: NASA and JPL-Caltech Advertisement Two papers have dealt a fresh blow to the idea that Venus’s atmosphere might contain phosphine gas a potential sign of life. The claim that there is phosphine on Venus rocked planetary science last September, when researchers reported spotting the gas’s spectral signature in telescope data. If confirmed, the discovery could mean that organisms drifting among Venusian clouds are releasing the gas. Since then, several studies have challenged although not entirely debunked the report.

United statesUnited kingdomJane greavesAlex akinsIgnas snellenAndrew lincowskiUniversity of washingtonUniversity of cardiffUniversity of leidenPropulsion laboratory in pasadenaVictoria meadowsAstrophysical journal lettersJames clerk maxwell telescopeAtacama largeJet propulsion laboratoryஒன்றுபட்டது மாநிலங்களில்

Phosphine on Venus is probably just sulfur dioxide

Purported phosphine on Venus is more likely to be ordinary sulfur dioxide, a new study shows. In September, a team led by astronomers in the United Kingdom announced that they had detected the chemical phosphine in the thick clouds of Venus. The team’s reported detection, based on observations from two Earth-based radio telescopes, surprised many Venus experts. Earth’s atmosphere contains small amounts of phosphine, which may be produced by life. Phosphine on Venus generated buzz that the planet, often succinctly touted as a “hellscape,” could somehow harbor life within its acidic clouds. This image, which shows the night side of Venus glowing in thermal infrared, was captured by Japan’s Akatsuki spacecraft. (Credit: Damia Bouic/JAXA/ISAS/DARTS)

United statesUnited kingdomAmes research centerDamia bouicAlex akinsAndrew lincowskiGoddard space flight centerUniversity of californiaPropulsion laboratoryAstrobiology programGeorgia institute of technologyNexss virtual planetary laboratoryUniversity of washingtonAstrophysical journalVictoria meadowsJames clerk maxwell telescope

Dans les nuages de Vénus, l hypothèse d une forme de vie se dissipe

Dans les nuages de Vénus, l hypothèse d une forme de vie se dissipe
leparisien.fr - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from leparisien.fr Daily Mail and Mail on Sunday newspapers.

United statesFrancis rocardCarl saganVictoria meadowsStart theWould preferFor francis rocardஒன்றுபட்டது மாநிலங்களில்கார்ல் சாகன்விக்டோரியா புல்வெளிகள்தொடங்கு தி