Astronauts playing with fire
Posted: Aug 22, 2014 10:36 AM EST | Updated: Nov 6, 2014 8:59 AM EST
NASA is conducting experiments on the International Space Station on how fuel burns in microgravity.
NASA astronaut Reid Wisemen Tweeted vines of the fires.
He wrote they look like "jelly fish on fire."
NASA says the experiments could to the development of safer spacecrafts and increase fuel efficiency back on earth.