Astronomy Cast Ep. 501: Water Worlds Revisited By Susie Murph October 10, 2018 Susie Murph Previous Article ← 348 Years Ago, a French Astronomer Monk Might have Witnessed the Collision Between a White and Brown Dwarf Star Next Article Europa is Going to be Tough to Land on, it Could Have Towering Walls of Ice Spikes Across its Surface →