![Solar storms strip air from Mars, NASA says(2/4)](http://www.ecns.cn/hd/2015/11/06/f7e97d2beb8e4874a49c7ad305cf3445.jpg)
Michael Meyer, lead scientist for the Mars Exploration Program at NASA Headquarters, listens to a question about key findings on solar wind from the agency’s ongoing exploration of Mars during a news briefing at NASA Headquarters in Washington November 5, 2015. (Photo/Agencies)