epub |eng | 2011-01-24 | Author:Zubrin, Robert [Zubrin, Robert]

* * * FOCUS SECTION—A CALENDAR FOR THE PLANET MARS Martian colonists will need a calendar that is tied to physical and seasonal conditions on the Red Planet—using Earth dates ...

mobi, epub |eng | 2010-01-23 | Author:Galilei, Galileo, Finocchiaro, Maurice A. [Galilei, Galileo, Finocchiaro, Maurice A.]

CHAPTER 81 From Dialogue on the Two Chief World Systems (1632)2 [§ 8.1 Preface:To the Discerning Reader]3 [29] Some years ago there was published in Rome a salutary edict4 which, ...

mobi | | 2007-10-30 | Author:Neil deGrasse Tyson

AT THE RISK of oversimplifying the life cycle of a high-mass star, it is sufficient to recognize that a star is in the business of making and releasing energy, which ...

epub |eng | 2010-02-01 | Author:Paul Davies

The most obvious explanation for the absence of aliens on Earth is that aliens don’t exist – that is, we are alone in the universe. That was presumably Fermi’s own ...

epub |eng | 2012-03-26 | Author:Yeomans, Donald K.

FIGURE 6.3. The Japanese spacecraft Hayabusa extensively studied near-Earth asteroid (25143) Itokawa in the fall of 2005. Near-Earth asteroid Itokawa was named for the father of Japanese rocketry, Hideo Itokawa, ...

epub, mobi |eng | | Author:Simon Singh [Simon Singh ]

From the Cosmic to the Atomic In order for the Big Bang model to be accepted, there was one seemingly innocuous question that could not be ignored: why are some ...

epub |eng | 2012-09-03 | Author:Rupert Sheldrake [Sheldrake, Rupert]

Currently, in the Connectome Project researchers at the Massachusetts Institute of Technology and elsewhere are trying to map some of the trillions of connections between nerve cells in mammalian brains, ...

epub |eng | | Author:Jacob Berkowitz

Would you rather look at stars through a telescope or hold stardust in your hands? —Richard Herd, curator of the Canadian Meteorite Collection, 2011 THE SPACE-ROCK EDUCATION OF SCOTT SANDFORD ...

epub |eng | 2013-04-01 | Author:Kimberly K. Arcand [Arcand, Kimberly K.]

epub |eng | 2006-03-26 | Author:John Gribbin

7 Where Did the Chemical Elements Come from? Although Alfred Russel Wallace, writing more than a hundred years ago, had no idea of the true extent and complexity of the ...

epub |eng | 2012-08-07 | Author:Caleb A. Scharf [Scharf, Caleb A.]

Figure 14. An X-ray image of the hot gas in the inner regions of the Perseus galaxy cluster, showing the dark bubbles that have been blown by the black hole ...

epub |eng | 2011-10-22 | Author:John Gribbin

MAKING PLANETS Armed with this understanding of the geography of the Solar System, we can begin to understand how the planets formed, and why the Solar System is special. Working ...

epub |eng | 2011-05-10 | Author:Stephen Hawking [Hawking, Stephen]

*A lecture given at the Three Hundred Years of Gravity conference held in Cambridge in June 1987, on the three hundredth anniversary of the publication of Newton’s Principia. Ten THE ...

epub, mobi, azw3 | | 2010-06-03 | Author:Bryson, Bill [Bill, Bryson,]

A Short History of Nearly Everything CHAPTER 17: INTO THE TROPOSPHERE THANK GOODNESS FOR the atmosphere. It keeps us warm. Without it, Earth would be a lifeless ball of ice ...

epub |eng | 2000-06-08 | Author:John Keay [Keay, John]

SEVEN Crossing the Rubicon Lambton’s death in January 1823 meant that Everest, as his only assistant of rank, now took acting charge of the Great Trigonometrical Survey. With it went ...