Candle Flame (IMAGE) NASA/Johnson Space Center Caption These two candle flame images from BASS (side by side, left) show air flow from bottom to top, as compared with how a flame appears on Earth (right). Credit NASA Usage Restrictions with credit to NASA License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.