What Happens to a Fire in Space?

Something that looks very pretty when set to gentle acoustic guitars, apparently.

In this video, a fuel droplet is set ablaze then quickly extinguished. Flames are spherical in low gravity since warm, buoyant air can’t rise to propel them. Thirty seconds later, a bright afterglow formed by a backlit vapour cloud spreads throughout the combustion chamber.

[Source: New Scientist]


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