Scientists using the Hubble Telescope study vivid images from 12 billion and more light years away and observe that many galaxies cluster together like -- soap bubbles! Analyzing factors like dark matter and gravitational lensing, how can astronomers confirm this amazing bubble structure?
Our first steps into space were leaps into the unknown. Outer space is still the most hostile environment ever encountered, but someday, we may be forced to leave earth in order to save our species. The question now is whether human ingenuity can overcome the human body’s limitations.
Astronaut Mike Massimino explores the incredible new alien planets being found daily by astronomers; using the latest science, he investigates everything from worlds that appear to eat light to planets that resemble Earth in shocking ways.