Keywords: space exploration, microbes, alien life, holographic microscope, astronomy, Europa, medical technology, clean water.
NASA Mission to Mars 1978 Mishap:
During the episode Carl mentioned that NASA is leery of making big claims about finding extraterrestrial life due to controversy surrounding a mission in the 70s that initally (mis)interpreted bio-signatures and later retracted certain claims. The mission was known as Viking Lander.
UPCOMING MISSIONS TO KNOW ABOUT