Once a month, SAGANet and the NASA Astrobiology Program host a program called “Ask an Astrobiologist,” where the public is invited to interact with a high-profile astrobiologist who replies to Twitter and YouTube comment questions live on video. Our guest is Dr. Natalie Batalha, astrophysicist and professor of astronomy and astrophysics at UC Santa Cruz, specializing in detecting and characterizing exoplanets, including potentially habitable alien worlds!