by APOD Robot » Tue Aug 10, 2021 4:05 am
Fire in Space
Explanation: What does fire look like in space? In the
gravity on Earth, heated air rises and expands, causing flames to be
teardrop shaped. In the
microgravity of the
air-filled International Space Station (
ISS), however,
flames are spheres. Fire is the rapid acquisition of oxygen, and
space flames meet new
oxygen molecules when they float by randomly from all directions -- creating the enveloping sphere. In the
featured image taken in the
ISS's Combustion Integration Rack, a
spherical flame envelopes clusters of hot glowing
soot. Without oxygen, say in the
vacuum of empty space, a
fire would go out immediately. The many chemical reactions involved with
fire are complex, and
testing them in microgravity is
helping humanity not only to better understand fire -- but how to put out
fire, too.
[url=https://apod.nasa.gov/apod/ap210810.html] [img]https://apod.nasa.gov/apod/calendar/S_210810.jpg[/img] [size=150]Fire in Space[/size][/url]
[b] Explanation: [/b] What does fire look like in space? In the [url=https://apod.nasa.gov/apod/ap030723.html]gravity on Earth[/url], heated air rises and expands, causing flames to be [url=https://science.nasa.gov/science-pink/s3fs-public/styles/large/public/mnt/medialibrary/2013/06/18/splash2.jpg]teardrop shaped[/url]. In the [url=https://www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-microgravity-58.html]microgravity[/url] of the [url=https://www.nasa.gov/feature/nasas-spacecraft-atmosphere-monitor-goes-to-work-aboard-the-international-space-station]air-filled[/url] International Space Station ([url=https://apod.nasa.gov/apod/ap161105.html]ISS[/url]), however, [url=https://science.nasa.gov/science-news/science-at-nasa/2013/18jun_strangeflames]flames are spheres[/url]. Fire is the rapid acquisition of oxygen, and [url=https://youtu.be/BxxqCLxxY3M]space flames[/url] meet new [url=https://periodic.lanl.gov/8.shtml]oxygen[/url] molecules when they float by randomly from all directions -- creating the enveloping sphere. In the [url=https://www.nasa.gov/mission_pages/station/research/news/combustion-research-microgravity-clean-burning-fuel-space-station]featured image[/url] taken in the [url=https://www.nasa.gov/content/space-stations-combustion-integrated-rack/]ISS's Combustion Integration Rack[/url], a [url=https://www1.grc.nasa.gov/space/iss-research/iss-fcf/cir/acme/experiments/flame-design/]spherical flame envelopes clusters[/url] of hot glowing [url=https://en.wikipedia.org/wiki/Soot]soot[/url]. Without oxygen, say in the [url=https://en.wikipedia.org/wiki/Vacuum]vacuum[/url] of empty space, a [url=https://www.smithsonianmag.com/science-nature/in-space-flames-behave-in-ways-nobody-thought-possible-132637810/]fire[/url] would go out immediately. The many chemical reactions involved with [url=https://apod.nasa.gov/apod/ap180826.html]fire[/url] are complex, and [url=https://science.nasa.gov/science-news/science-at-nasa/2013/18jun_strangeflames]testing them[/url] in microgravity is [url=https://images-prod.healthline.com/hlcmsresource/images/dog-health-benefits/642x361-excercise.jpg]helping humanity[/url] not only to better understand fire -- but how to put out [url=https://firms2.modaps.eosdis.nasa.gov/map/]fire[/url], too.
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