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This is what dr. John E. Brandenburg of the American Institute of Aeronautics and Astronautics said during the conference AIAA Space on September, 2016.In an oddly disconcerting interview with “Supreme Master Television,” a thoroughly bizarre station run by the Supreme Master Ching Hai International Association cult, Brandenburg notes that Mars had two ancient humanoid civilizations, called Cydonia and Utopia, which had a level of technology similar to that of the ancient Egyptians.
What happened to those Martians? Nukes, he says.
“Two great disasters happened on Mars,” he told Supreme Master TV, pointing to Utopia on a map. “One here, and then an asteroid impact happened here, and Cydonia was right in between them. That’s puzzling. Why would so many bad th ings happen in one area of mars that just so happened to have archaeology on it?”
That was back in 2011. Since then, Brandenburg has decided that both disasters were nukes, and possibly “natural” nuclear explosions that could have been caused by some cosmic weirdness like an asteroid hitting radioactive material or something like that. Today, however, he has upped the ante.
This weekend, he’s going to present new research at a meeting of the American Physical Society that he says proves that there were indeed nuclear explosions on Mars and that they are consistent with nuclear bomb “airbursts,” meaning that there’s no possible way these were natural. He said in a statement emailed to me that the evidence he’s found is “consistent with mixed fusion-fission explosions.”
It’s worth noting that the other sessions at the meeting appear to have well-regarded university researchers from all around the world presenting experimental particle physics results and things of that nature, so I have to say that Brandenburg’s research (which certainly does not appear to be peer-reviewed) appearing alongside that is pretty weird.
According to Brandenburg, “The high concentration of Xenon-129 atmosphere, the evidence from Krypton-80 and the detected pattern of excess abundance of Uranium and Thorium on Mars surface, relative to Mars meteorites, first seen by the Russians and now confirmed by the Mars Odyssey Spacecraft Gamma Ray Spectrometer, mean that the surface of Mars was apparently the site of massive radiological events, which created large amounts of signature isotopes and covered the surface with a thin layer of radioactive debris enriched in certain elements relative to its subsurface rocks.
“This pattern of phenomenon can be explained as due to two large anomalous nuclear explosions on Mars in the past.”

Mars vs mixed Earth and Fission Xenon (30/70)The Xenon Isotope mass from Mars is nearly identical to that found on Earth (as you can see from the above image). This is one of the main factors that has led researchers like Dr. Brandenburg to suggest, that Mars had a developed civilization in the distant past and that this civilization had a terrible and cruel ending.
He claimed the blasts were hard enough to cause a huge catastrophe and change the climate on Mars drastically.
Because there are no craters found, they need to have taken place in the atmosphere, according to Brandenburg.
S ince his work has been carefully studied by the Pentagon dr. Brandenburg seems to have evidence available that nuclear weapons have been used on Mars. Isotopes indicate two huge shock waves in the northern regions on Mars caused by nuclear weapons“Given the large amount of nuclear isotopes in Mars atmosphere resembling those from hydrogen bomb tests on Earth, Mars may present an example of civilization wiped out by a nuclear attack from space,” he wrote.
“It is possible the Fermi Paradox means that our interstellar neighborhood contains forces hostile to young, noisy, civilizations such as ourselves,” he added. “Such hostile forces could range from things as alien as AI (Artificial Intelligence) ‘with a grudge’ against flesh and blood, as in the movie Terminator, all the way to things as sadly familiar to us as a mindless humanoid bureaucrat like Governor Tarkin in Star Wars, eager to destroy planet Alderann as an example to other worlds.”

It is of course worth noting that no high profile scientists have given any credence at all to this theory.
To gauge whether Brandenburg’s thoughts have gained any traction with conspiracy theorists, I hunted around for their reactions to his earlier work. Here’s what I came across:
Arkcode.com:
“Having seen the evidence presented by Dr. Brandenburg, I feel certain that we need to actively plan for a possible defense against whoever perpetrated the assault on Mars. In fact, as U.S. Space Command has access to all the data that he (and this family) have, as well as all the other pertinent data that exists out there, I’d be amazed to learn that our preparations have not been underway for a very long time.”
Ross Holcomb, Mysterious Universe comment:
“There are other possibilities as well. Consider a very high tech civilization where a few folks mis-applied high energy technology and it got out of hand, causing a sever explosion and catastrophe a couple of million years ago. Perhaps a similar thing occurred on earth about 13,000 ya resulting in a cataclysmic event sinking Atlantis and energetically causing the Bermuda Triangle (and other anomalies) to activate. It may not have been “nuclear” and may not have been used in warfare.”
Mercurio, Above Top Secret Forums:
“I think if it was a weapon, it was something much more powerful than nuclear bombs. Something more advanced than what we have now.”