Summary: <p>What is life? Where should we look for it outside of Earth? Is life common or rare? These questions and many more are the daily job of Graham Lau, an astrobiologist who has joined us for this episode of Space Junk!</p> --- Support this podcast: <a href="https://podcasters.spotify.com/pod/show/spacejunk/support" rel="payment">https://podcasters.spotify.com/pod/show/spacejunk/support</a>
