We welcomed Dr. Michael Summers to the program for a 90 minute discussion about exoplanets based on his excellent new book, "Exoplanets." Dr. Summers talked about the wide variety of explanets being found, including diamond planets, rogue planets, and much more. This was an extremely interesting discussion you must hear. Read the full summary at www.thespaceshow.com for this date, Friday, May 19, 2017.