Astrophysics & Space Science
epub | | 1998-07-15 | Author:Stephen W. Hawking [Hawking, Stephen W.]

A Brief History of Time CHAPTER 7 BLACK HOLES AIN’T SO BLACK Before 1970, my research on general relativity had concentrated mainly on the question of whether or not there ...
( Category: Astrophysics & Space Science March 25,2014 )
epub, mobi |eng | 2009-01-07 | Author:Tyson, Neil deGrasse [Tyson, Neil deGrasse]

I would later learn that in addition to his PhD in planetary science from the University of Arizona, Mark Sykes also wields a law degree from the same institution and ...
( Category: Astrophysics & Space Science March 24,2014 )
mobi, epub, azw3 |eng | 2013-06-11 | Author:Lily Koppel

On March 23, 1965, Betty sat in her living room with the Mercury wives, old pros watching the countdown. Her boys and Sam the Dog, “a sad-eyed basset hound,” were ...
( Category: State & Local March 24,2014 )
mobi, epub |pt | 1997-09-08 | Author:Carl Sagan

PLANETARY SCIENCE fosters a broad interdisciplinary point of view that proves enormously helpful in discovering and attempting to defuse these looming environmental catastrophes. When you cut your teeth on other ...
( Category: Astronomy March 24,2014 )