It's quite a bit different than a conventional oven (since there's no convection). And the cookie was housed in a silicone pouch, which the article fails to mention.https://www.zerogk.space/space-oven
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hot air and water vapor expand but cannot raise in microgravity - the transfer of heat remains radiative since the thermal convection does not work in weightless fluids. For the same reason fire flames burn rather strangely on on ISS
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This makes sense to me.
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Maybe because gravity-driven convection inside the oven stops, so heat transfer is less efficient? Just speculating.
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Yeah, cookies probably end up as blobs of dough floating around and not getting cooked. Convection issue could be addressed partly with a fan, but internal heat transfer (when they puff up) and adherence to the pan could still be an issue?... Hmm, maybe a centrifugal oven?...
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"...the cookie dough, formed into a puck shape, is held within a silicone pouch with an aluminum frame that serves as a tray and a filter to allow hot air to escape but contain any crumbs."http://www.collectspace.com/news/news-080519a-cookies-space-tin-doubletree.html …
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Not sure if this explains the variance, but relevant info.
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The astronauts live on canned food for months on end, and they they're told to bake cookies but not taste them ?! Why isn't this torture ?
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Čini se da učitavanje traje već neko vrijeme.
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