Is Oumuamua an alien spacecraft? How do we get there to find out?

Maddy Nichols joins Andrew in the studio and we hear from Prof Avi Loeb, the Harvard scientist making the news for suggesting that it's possible that Oumumua is an alien probe or light sail.

We also hear from Andreas Heim, the man behind Project Lyra...the proposed mission to send a spacecraft to Oumuamua.