Episode 19: Little Green Men, or Big Glowing Trees?

Is there extraterrestrial life? Are they on giant glowing planets? Do they listen to Bach? We explore three papers in the field of astrobiology that take concrete, experimental steps toward an answer. "Everything not forbidden is compulsory,” so we speculate wildly about first contact.    astrobites.org/2020/03/12 astrobites.org/2019/08/27 astrobites.org/2020/04/06   Space sound: youtube.com/watch?v=qTpCD2Xvh_s   Cinder lake crater fields: youtube.com/watch?time_continue=2&v=FVkBaaOBejc&feature=emb_title