The Sky at Night - Season 63 - Eps 8: Alien Worlds
2019-09-08 •
? min •
⭐ 8.3/10
Astronomers have found more than 4,000 planets circling stars other than our own. What do we know about these alien worlds and how have we managed to detect them?
Your monthly journey through the fascinating world of space and astronomy with the latest thinking on what's out there in space and what you can see in the night sky.
