The UnXplained - Mysterien des Universums

David Comtois

Pascal Lee (Self - Planetary Scientist, SETI Institute), Veronica Bray (Self - Prof. of Planetary Science, Univ. of Arizona), Katherine de Kleer (Self - Asst. Prof. of Planetary Science, CalTech), Mark Showalter (Self - Senior Research Scientist, SETI Institute), Graham Lau (Self - Research Investigator: Blue Marble Space), Rebecca Boyle (Science Writer / Self - Author), Ben McGee (Self - Planetary Geophysicist), Renu Malhotra (Self - Astrophysicist, Univ. of Arizona), Rod Pyle (Self - Editor-in-chief: Ad Astra Magazine), Michio Kaku (Theoretical Physicist / Self - Author)