[null and void]

And to be clear, if our modern planet was to be hit with a large enough cosmic event, though the planet may survive, all remnant of modern technology would be wiped out.

There are pretty compelling sets of evidence suggesting it's a 12,000 year cycle.

The last disaster was about 12,000 years ago...

[marktwain]

And to be clear, if our modern planet was to be hit with a large enough cosmic event, though the planet may survive, all remnant of modern technology would be wiped out.

Highly unlikely. You would have to wipe out over 99% of human population.

Possible, but highly unlikely.