This pic from NASA shows how a flame looks different on earth vs. the International Space Station. 

https://en.wikipedia.org/wiki/International_Space_Station#/media/File:Space_Fire.jpg 

Thoughts on sharing? 

F: What happens to a flame in space? This public domain photo released by NASA compares a flame on Earth to a flame in a microgravity environment, such as that found on the International Space Station. [IMAGE]

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