[Q&A+] Flat Planet, 3I/ATLAS vs Jupiter, Next Gen Space Stations

Would we even notice if 3I/ATLAS smashed into Jupiter? What are the plans for next gen space stations? Is it okay that most succesful space corporations are run by billionaires? And in Q&A+, what the hell is a Thorne–Żytkow object? BONUS QUESTION STARTS AT 17:04 Watch the video here (with no ads) or on YouTube: https://youtu.be/ZHdlHSv-OgQ Here's a link to the full, unedited livestream: https://youtube.com/live/yUqB8vkD4cE