Alien Worlds
S63E8 · 2019-09-08
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?
The show’s own verdict is on its page.
S63E8 · 2019-09-08
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?
The show’s own verdict is on its page.