True Size of the Universe, Inescapable Planets, Magnetic Poles Reversal | Q&A 226

Was the Universe ever the size of an orange or a basketball? Can life exist on planets that cannot be escaped? Can the asteroid belt ever produce a new planet? Is the CMB slowly changing over time? What happens at the very edge of the observable Universe? All this and more in this week's Q&A!

Watch the video here (with no ads) or on YouTube: https://youtu.be/wXUHnkbj_z0

Here's a link to the full, unedited livestream: https://youtube.com/live/u20a4SJAOYM

True Size of the Universe, Inescapable Planets, Magnetic Poles Reversal | Q&A 226 (Vimeo)