Science news articles about 'helmut lammer'

... at www.liebertpub.com/ast Compiled by Helmut Lammer, PhD, Senior Editor of Astrobiology, ... CO2 atmosphere very early," says Dr. Lammer, PhD, "and may have been cold and dry during most of its history. ...

... Earth and the Sun, may lose their atmospheres completely, leaving just their core. The team, led by Dr Helmut Lammer of the Space Research Institute of the Austrian Academy of ...