If there was enough mass to cause a big crunch, would inflation go backwards too? How do spacecraft know that hydrogen is bonded to water? And why can’t we see everything that’s ever fallen into a black hole?
If you’ve got a question for the Astronomy Cast team, please email it in to [email protected] and we’ll try to tackle it for a future show. Please include your location and a way to pronounce your name.
Remove All Ads on Universe Today
Join our Patreon for as little as $3!
Get the ad-free experience for life
Or subscribe to: astronomycast.com/podcast.xml with your podcatching software.