Isaac Arthur did and episode on this topic specifically [1]. It's one of his early ones. There are a whole lot of "ifs" here, just one of which is negative mass

Isaac Arthur did and episode on this topic specifically [1]. It's one of his early ones. There are a whole lot of "ifs" here, just one of which is negative mass. [1]: https://www.youtube.com/watch?v=yCCsmxGjEV0 https://www.youtube.com/watch?v=yCCsmxGjEV0