BBC The Sky at Night – Alien Worlds (2019) 720p HDTV
English | Size: 626 MB
Category: Documentary
It’s not just our sun that is circled by planets. In recent years, astronomers have found over 4,000 planets circling stars other than our own. The Sky at Night team investigates what we know about these alien worlds and looks at how we have managed to detect them. [Read more…]