Big Picture Science – To Earth and Back: Aaron Burton
by Gary Niederhoff on May 21, 2012
Part 5 of To Earth and Back, featuring Aaron Burton, astrobiologist, NASA Goddard Spaceflight Center, on the study of meteorites to assess the interplanetary transmission of the building blocks of life. (TRT 5:27)
There's a new big dipper in the nighttime sky.
No, it's not a cozy constellation, but a distant, non-descript star that behaves like a shipboard semaphore, beaming flashes of light into the cosmic darkness that seem random, but... (read more)