"Ancient Martians died as a result of use of nuclear weapons." Such is the theory of Dr. John Brandenburg presented them in Houston on 46th Lunar and Planetary Science Conference, organized by NASA in November 2014.
John Brandenburg - plasma physicist at Orbital Technologies of Madison, Wisconsin, where he works on the topic of plasma space propulsion . In addition, he devoted himself to issues of space, energy and national defense. He has published two books about Mars: "Dead Mars, Dying Earth" (1999) and "Life and Death on Mars: The New Mars Synthesis" (2011) about the climate catastrophe that caused the mass extinction - the fall of a large asteroid in late geological history of Mars caused long-term greenhouse effect and the disappearance of the ocean that covered Mars.
A new theory about the death of an ancient civilization on Mars, will be published in his new book «Death on Mars» and is based on the content in the atmosphere of a high concentration of Xenon-129 and the results of the spacecraft Mars Odyssey Orbiter, celebrated on the Martian surface thin layer of radioactive substances: uranium, thorium and radioactive potassium.