For great interviews with leading scientists on this and other astronomy topics, see Event Horizon podcast https://www.youtube.com/channel/UCz3qvETKooktNgCvvhe

For great interviews with leading scientists on this and other astronomy topics, see Event Horizon podcast https://www.youtube.com/channel/UCz3qvETKooktNgCvvheuQDw/videos https://www.youtube.com/channel/UCz3qvETKooktNgCvvheuQDw/vid... (I'm just a happy listener.)