They could be transporters of life or harbingers of doom – Neil deGrasse Tyson answers fan-submitted questions on comets and asteroids with science author and cosmochemist Natalie Starkey, PhD, and first-time comic co-host Mark Normand.
NEW: Discover more about comets, asteroids, and the upcoming Psyche mission from All-Stars host and cosmochemist Natalie Starkey, first time comic co-host Mo Welch and Psyche mission architect and JPL Project Systems Engineer David Oh.