I have scientific proof
All from my "research", i.e. reading The Register.
It's going to be the most spectacular comet ever. Superb, bright, visible in daylight, and full of fascinating scientific information to discover.
But that doesn't matter. Because a volcano in Indonesia has spotted this event too. And is right now awaking from hundreds of years of slumber in order to fill the atmosphere with ash, and block out the pretty lights.