I'm not sure, but I think It's in the middle of the directions
Well there are many catastrophic scenarios that we already overcome. You should consider educating yourself about the great filter. A great filter is a hypothetical barrier that each civilization can or cannot overcome. From here on things get a little complex so I won't bore you with them. But there are experts in this theory called great filter and I'm sure they can tell you a lot about.
This might be useful cause it’s useful and it’s also useful and I hope this is useful you’re welcome for being useful :)
Answer: Gravity and inertia
Explanation: