Keywords: Twilight phenomenon in the wake of a Minotaur I launch from Vandenberg AFB, CaIif.jpg Uploaded with en wp UW marker 2015 11 09 The twilight phenomenon can be seen in the wake of the Minotaur I during its departure from Space Launch Complex 8 here Sept 22 2005 This effect is caused by unspent fuel freezing at high altitude The frozen particles reflect sunlight below the horizon and display different colors against a dark background U S Air Force photo/Staff Sgt LeeAnn Sunn-Wagner http //www vandenberg af mil/photos/media_search asp q twilight+phenomena btnG x 0 btnG y 0 2005-09-30 Staff Sgt LeeAnn Sunn-Wagner PD-USGov-Military-Air_Force Cc-zero |