Popular Posts

• Endless Universe: Beyond the Big Bang — Rewriting Cosmic History

  Two world-renowned scientists present an audacious new vision of the cosmos that “steals the thunder from the Big Bang theory.” —Wall Street JournalThe Big Bang theory—widely regarded as the leading explanation for the origin of the universe—posits that space and time sprang into being about 14 billion years ago in a hot, expanding fireball of [...]

• Mechanics and Thermodynamics of Propulsion (2nd Edition)

  In this textbook, the authors show that a few fundamental principles can provide students of mechanical and aeronautical engineering with a deep understanding of all modes of aircraft and spacecraft propulsion. The book also demonstrates how these fundamental principles can lead directly to useful quantitative assessments of performance as well as possibilities for improvement. The [...]

• 9 LED Red Light Flashlight Aviator AAA Torch Astronomy, 7301RED

  Battery Life:Approximately 20 hours on fresh battery Switch Type:Press on/off on rear cap Head Diameter:1.2″ 31 mm Body Diameter:1.08″ or 27.5 mm Length: 3.8″or 94.2 mm Related posts Is 2012 False? ancient mayans 2012 Visiting the South African Astronomical Observatories and Sutherland How to Become a Marine Biologist How Astronomy Has Developed

• Galaxies and Planets

  It is getting to the point where planets are being found everywhere. Fifty here, fifty there, well maybe I am exaggerating a little, but there are a lot of planets out there. Now that we know for sure that planets exist outside our own solar system, maybe we should stop counting the ones that we [...]

• Mars: Uncovering the Secrets of the Red Planet (National Geographic)

  MILLIONS OF MILES FROM HOME Mars. The red planet. Unimaginably distant, and yet at the same time the most Earthlike of the planets, Mars has exerted a powerful pull on the human imagination for thousands of years. It mesmerized the millions who watched as the small robot known as Sojourner explored its faraway surface from [...]