Is It an Accident?

i could be like the ultimate hero in the next armagenna movi, exactly. Who needs bruce willis now? We need banks. So that's a pretty interesting question. When you do physics, a big part of the work is figuring out what to include and what to neglect. And so if you're asking question about what's going to happen in the next hundred years or a thousand years, you can ignore this stuff. If you have questions about the very long term stability of the solar system, then you might need to take it into account. Interesting yet, you may need to shed some sunlight into your calculations.