"The ancient life on Mars was eradicated by aliens armed with nuclear weapons, plasma physicist and an expert in propulsion technologies Dr John Brandenburg believes. He therefore warns that a nuclear attack of this kind will also happen on Earth.
In his paper titled "Evidence of a Massive Thermonuclear Explosion on Mars in the Past, The Cydonian Hypothesis and Fermi's Paradox," Brandenburg concludes that the Earth's interstellar neighbourhood has forces or beings hostile to young, noisy, civilisations like the ones people has on Earth. It is with the same reason that aliens launched a nuclear attack against the ancient life on Mars, he said."
How would we go about proving or disproving that the was a natural or non-natural event that took place of Mars? Also, has the Cydonian Hypothesis been validated?
PS: Captcha — Insane