Heptane fuel burns in microgravity May 25, 2011 19:00:21 GMT 1 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by StuartG on May 25, 2011 19:00:21 GMT 1 "Because of the absence of gravity, fuels burning in space behave very differently than they do on Earth."www.nasa.gov/multimedia/imagegallery/image_feature_1956.htmlAttachments: