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WHERE ARE THE ALIENS IN OUR SOLAR SYSTEM?
BBC Focus - Science & Technology
|December 2020
A FLEET OF MISSIONS IS SPREADING ACROSS THE SOLAR SYSTEM TO INVESTIGATE OUR NEIGHBOURS FOR SIGNS OF LIFE. HERE’S WHAT THEY ARE LOOKING FOR
VENUS
LOCATION: 108 MILLION KILOMETRES FROM THE SUN
PROS: MAY HAVE HARBOURED OCEANS FOR A LONG TIME
CONS: HELLISHLY HOT ON SURFACE, CLOUDS OF CONCENTRATED SULPHURIC ACID
MISSIONS PLANNED: DAVINCI+ (2026 LAUNCH, NOT CONFIRMED)
You’d have to have been living under a rock on a distant planet to have missed the news this September about the unexpected – and as yet unexplained – discovery of the gas phosphine in the atmosphere of Venus. By October, there were some doubts creeping in about whether phosphine had really been detected, but either way there’s definitely some previously unknown chemistry going on in the Venusian atmosphere. Perhaps it could even be biochemistry – is the phosphine be a telltale signature of Venusian life?
Denne historien er fra December 2020-utgaven av BBC Focus - Science & Technology.
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