Is Anybody Out There?
Part of the Astronomers' Universe book series (ASTRONOM)
Are others actually out there? If so, why don’t we know anything about them yet? Although this may seem a trivial question, it is not an easy one to answer at all.
KeywordsWhite Dwarf Stellar System Technological Civilization Manhattan Project Enrico Fermi
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
© Springer Science+Business Media, LLC 2010