Astronomy & Space Science
epub |eng | 2009-04-26 | Author:Robert Gendler
The Pacman Nebula Translucent pillars of gas point toward the hot stars that power the Pacman Nebula (NGC 281). Radiation emitted by the stars illuminates the gas clouds but also ...
( Category:
Astronomy
April 27,2016 )
epub |eng | 2016-04-04 | Author:Nathalia Holt
Punch cards used by the women to write programs Most of the computers had never used a typewriter—only secretaries at JPL used those—and didn’t even know how to type. But ...
( Category:
Scientists
April 23,2016 )
epub, mobi |eng | 2008-11-21 | Author:Paul Davies
The Sisyphus Effect The discovery that Earth and Moon endured a punishing cosmic barrage until 3.8 billion years ago presents us with a major puzzle. If the fossil record is ...
( Category:
Biology
April 22,2016 )
epub, mobi |eng | 1998-01-02 | Author:Neil de Grasse Tyson [Tyson, Neil de Grasse]
Dear Merlin, I would like to know what these “M” designations are in globular cluster names, for example M15 or M54. Are they just numbers given to these objects by ...
( Category:
Astronomy
April 18,2016 )
epub |eng | 2004-04-15 | Author:Michio Kaku
PART III THE UNFINISHED PICTURE The Unified Field Theory CHAPTER 7 Unification and the Quantum Challenge In 1905, almost as soon as Einstein worked out the special theory of relativity, ...
( Category:
Relativity
April 16,2016 )
epub |eng | 2011-03-21 | Author:Rupert Sheldrake
Figure 7. Nested Hierarchy. Diagrammatic representation of a nested hierarchy, which could represent subatomic particles in atoms, molecules, or crystals, for example; cells in tissues, organs, or organisms; or planets ...
( Category:
Cosmology
April 15,2016 )
epub, mobi, pdf |eng | 2011-05-16 | Author:Adam Weishaupt [Weishaupt, Adam]
2) It transpires that Einstein’s famous special theory of relativity is based precisely on this division of reality into three distinct aspects. However, Einstein talked of a 4D spacetime rather ...
( Category:
Relativity
April 9,2016 )
epub |eng | | Author:David A. J. Seargent
A Universe for All Time? According to the most recent data from the Planck space probe, the age of the universe is 13.82 billion (1,000 million) years. This is the ...
( Category:
Astronomy
April 8,2016 )
epub |eng | 2011-10-03 | Author:Paul A. LaViolette, Ph.D.
SEVEN NATURAL OR ARTIFICIAL Lighthouse Trouble Supernova Origin Problem. Although astronomers continue to use the neutron star lighthouse model to interpret the pulsar phenomenon, they readily admit there are many ...
( Category:
Astrophysics & Space Science
April 8,2016 )
epub |eng | | Author:John Wilkinson
Daily drawings of sunspot groups can be used to monitor their evolution (change in shape and appearance) as they move across the Sun’s disc. Remember a single spot is also ...
( Category:
Astrophysics & Space Science
April 8,2016 )
epub |eng | | Author:David A.J. Seargent
Black Meteors Have you ever been watching the sky for meteors – probably during the time of a meteor shower – when you suddenly seem to see a dark object ...
( Category:
Astronomy
April 8,2016 )
epub |eng | 2014-04-07 | Author:Paul Abel
Victoria Crater as seen by the Opportunity rover. The discoveries by Spirit and Opportunity have been remarkable, largely thanks to their longevity but also because they carry a sophisticated suite ...
( Category:
Astronomy
April 8,2016 )
epub, mobi |eng | | Author:Giancarlo Genta
16 The Fourteenth Fleet The round trip to Isqaht, Ytl and Gorkh’ar took more than a month, and Tom got back to the Gatlaat system on the 35th day. The ...
( Category:
Regional
April 8,2016 )
epub |eng | | Author:Tony Buick
Fig. 3.34A William Jones orrery from around 1794. (Photograph by the author with permission of Sir Patrick Moore) Figure 3.35 shows the stunning detail of the print on the hand-colored ...
( Category:
Astronomy
April 7,2016 )
epub |eng | | Author:David A. J. Seargent
Other “Plutos” and Their Siblings Returning to Kuiper belt objects in general, several groups or families of these have been distinguished according to their orbital characteristics; principally how they relate ...
( Category:
Astrophysics & Space Science
April 7,2016 )
Categories
| Aeronautics & Astronautics | Astronomy |
| Astrophysics & Space Science | Comets, Meteors & Asteroids |
| Cosmology | Mars |
| Solar System | Star-Gazing |
| Telescopes | UFOs |
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