This week on Blue Dot we talk with award-winning NASA scientist, Fiona Harrison . She is an astrophysicist and chairperson at CalTech as well as Principal Investigator for the Nuclear Spectroscopic Telescope Array — our premier orbiting X-Ray observatory better known as NuStar . We also take a sneak peak at next week's interview with Kenneth Williford - who shares an exciting story of a recent development in his lab at JPL . Finally, we cap it all off with some audio captured over the weekend by