Don't tell me you have no clue about supernova explosions and their effects on this planet.<quoted text>
Um... what on Earth (no pun intended) does the "extra-terrestrial" have to do with any of this?
Don't tell me we have another Infinite-Force!
Or solar flare and the effects of the cyclic activity of the sun on our planet.
Or the effects of meteor and cometary impact.
There is more, but that is enough for now.
Have you ever taken into account the timelines and effects these things have had on the planet in general and our civilization?
It appears you haven't as it might not fit that neat little paradigm which has been built by academia.