Wed, 28 Sep 2011 01:10:06 +0200 (Reuters) - Fires, which may be wildfires or intentionally set agricultural fires, burn on the continent of Australia, with smoke plumes faintly visible in the night sky, in this picture taken by astronauts on the International Space Station (ISS) using a digital camera, September 17, 2011. A gold and green halo of atmospheric airglow hangs above the horizon in the distance. Picture taken September 17. REUTERS/NASA/Handout (ENVIRONMENT SCIENCE TECHNOLOGY) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS