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.
On 9/30/16, the Rosetta spacecraft will purposefully join its Philae lander and crash into Comet 67P. Before then, StarTalk All-Stars host Natalie Starkey, co-host Chuck Nice and Rosetta Mission Project Scientist Matt Taylor review what we’ve learned.
