 |
| |||
residual life (According to Brandenburg, the Martian atmosphere contains the chemical element xenon 129, indicating a massive nuclear explosion took place, which he estimates occurred around 500,000 years ago. He believes a nuclear device was detonated from space, and after the event, the planet went into a deep nuclear winter, changing from an Earth-like environment to its current state, though it still maintains some residual life.  coasttocoastam.com ART Vancouver) | |||