Astrophysics & Space Science
epub |eng | 1995-12-31 | Author:Robert Zubrin [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 ...
( Category:
Astronomy
October 27,2014 )
epub, mobi |eng | 2011-01-10 | Author:Richard Panek [Panek, Richard]
8. Hello, Lambda ON JANUARY 8, 1998, four astronomers sat at a table at the front of a conference room at the Washington Hilton to deliver the verdict of science. ...
( Category:
Cosmology
October 1,2014 )
mobi |eng | 2012-09-12 | Author:Krauss, Lawrence M. [Krauss, Lawrence M.]
CHAPTER 7 OUR MISERABLE FUTURE The future ain’t what it used to be. —YOGI BERRA In one sense it is both remarkable and exciting to find ourselves in a universe ...
( Category:
Astrophysics & Space Science
September 29,2014 )
epub |eng | | Author:Caleb Scharf
6 HUNTERS OF THE COSMIC PLAIN If I had to name two traits that accurately and optimistically sum up the human species, I’d put my money on imagination and restlessness. ...
( Category:
Astrophysics & Space Science
September 28,2014 )
epub |eng | 2008-07-14 | Author:deGrasse Tyson, Neil [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 ...
( Category:
Science & Religion
September 22,2014 )
epub |eng | 2012-09-14 | Author:Jason Brennan [Jason Brennan]
60. Why do libertarians say that the market punishes discrimination? Nobel laureate economist Gary Becker argues that the market tends to eliminate discrimination. Suppose people have a “taste for discrimination”—they ...
( Category:
History & Theory
September 22,2014 )
epub |eng | | Author:Brian Clegg
PLENTY OF ROOM OUTSIDE When we consider Mars as a potential new frontier, it has a lot going for it. In terms of sheer scale, it dwarfs any new region ...
( Category:
Astrophysics & Space Science
September 8,2014 )
mobi, epub |eng | 2014-06-01 | Author:David Hitt & Heather R. Smith
21. Challenger in orbit on STS-7 with the remote manipulator system arm in the shape of the number 7. Courtesy NASA. Unbeknownst to the astronauts, flipping the switches in the ...
( Category:
Astronautics & Space Flight
August 25,2014 )
epub |eng | 2013-08-22 | Author:Carolyn Collins Petersen [Petersen, Carolyn Collins]
This is the geometry of a gravitational lens. Light travels from the distant object, but its path is distorted by the gravitational pull of a massive object along the way. ...
( Category:
Astrophysics & Space Science
August 23,2014 )
mobi, epub |eng | 2001-08-22 | Author:Coles, Peter [Coles, Peter]
Turning back the clock The production of the microwave background during the epoch of recombination and the synthesis of the elements during the nuclear fireball are two major successes of ...
( Category:
Astrophysics & Space Science
August 21,2014 )
epub |eng | 2014-06-15 | Author:Rod Pyle
+05:00: At this time, Earth was out of radio contact so the “heartbeat” tones Al Chen referred to earlier could not be sent home to be heard fourteen minutes later, ...
( Category:
Astrophysics & Space Science
July 17,2014 )
epub, mobi |eng | 2014-04-22 | Author:Burrows, William E.
Nuclear explosives constitute a mature technology, with well-characterized outputs. They represent by far the most mass-efficient method of energy transport and should be considered as an option for NEO mitigation. ...
( Category:
Astrophysics & Space Science
July 8,2014 )
epub |eng | 2014-01-13 | Author:Alan Lightman [Lightman, Alan]
But why are we attracted to symmetry? Why do we human beings delight in seeing perfectly round planets through the lens of a telescope and six-sided snowflakes on a cold ...
( Category:
Astronomy
July 4,2014 )
epub, mobi |eng | 2011-06-04 | Author:Jay Barbree & Jay Barbree & Deke Slayton [Shepard, Alan]
CHAPTER SEVENTEEN Apollo 8: First Around the Moon APOLLO 8 COMMANDER FRANK BORMAN was emerging from a deep sleep, and he resisted the wakefulness that tugged at him. Where am ...
( Category:
History
June 5,2014 )
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 ...
( Category:
Aerospace
June 1,2014 )
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