“Death Rays of the Cosmos” –Past and Future Extinction by Gamma Ray Burst (WATCH Today’s ‘Galaxy’ Stream)

    If a gamma ray sweeps over a planet, all complex life could be annihilated. Gamma ray bursts where more common in the past, and could have prevented intelligent life from evolving in the Milky Way (and other galaxies) for billions of years. But they are still occurring, and still a potential life-destroying threat. … Continue reading “Death Rays of the Cosmos” –Past and Future Extinction by Gamma Ray Burst (WATCH Today’s ‘Galaxy’ Stream)