Astronomy & Space Science
epub, pdf |eng | | Author:Kenneth R. Lang
All of these main sequence stars shine by converting hydrogen into helium. The effective disk temperature, mass, luminosity, radius, and lifetime of main-sequence stars of different spectral types are listed ...
( Category:
Astrophysics & Space Science
April 24,2020 )
epub, pdf |eng | | Author:Francis F. Chen
Fig. 7.6Contours of constant f for a drifting Maxwellian distribution and a “beam” in two dimensions A loss cone distribution of a mirror-confined plasma can be represented by contours of ...
( Category:
Magnetism
April 24,2020 )
epub |eng | | Author:Michel Rieutord
7.3.1 The Boussinesq Approximation: A Qualitative Presentation When studying thermal convection in liquids, one is tempted to neglect the variations of density. Liquids are indeed weakly compressible. However, such a ...
( Category:
Fluid Dynamics
April 24,2020 )
epub, pdf |eng | | Author:Delia Perlov & Alex Vilenkin
(13.1) A neutron is more massive than a proton and electron combined, so it costs extra energy to convert a proton into a neutron. As the universe expands and cools, ...
( Category:
Cosmology
April 24,2020 )
Fundamental Astronomy by Hannu Karttunen Pekka Kröger Heikki Oja Markku Poutanen & Karl Johan Donner
epub |eng | | Author:Hannu Karttunen, Pekka Kröger, Heikki Oja, Markku Poutanen & Karl Johan Donner
( Category:
Geophysics
April 24,2020 )
epub, pdf |eng | | Author:Alessandro De Angelis & Mário Pimenta
( Category:
Particle Physics
April 24,2020 )
epub, pdf |eng | | Author:Cosimo Bambi
The simplest example is the Penrose diagram of the Minkowski spacetime. In spherical coordinates , the line element of the Minkowski spacetime is () (8.80) With the following conformal transformation ...
( Category:
Astronomy
April 24,2020 )
epub |eng | | Author:Rudolf Kippenhahn, Alfred Weigert & Achim Weiss
( Category:
Fluid Dynamics
April 24,2020 )
epub |eng | | Author:Boris V. Somov
Chandra, R., Pariat, E., Schmieder, B., et al.: How can a negative magnetic helicity active region generate a positive helicity magnetic cloud? Sol. Phys. 261(1), 127–148 (2010) [Sect. 6.4.1] Chapman, ...
( Category:
Engineering
April 24,2020 )
epub |eng | 2019-01-14 | Author:Fred Watson
IN 1979, NASA’S PIONEER 11 BECAME THE FIRST SPACECRAFT to study Saturn and its rings during a fleeting encounter with the planet. The trouble with spacecraft undertaking grand tours of ...
( Category:
Astrophysics & Space Science
April 24,2020 )
epub |eng | | Author:Boris V. Somov
Gritsyk, P.A., Somov, B.V.: The kinetic description of the accelerated-electron flux in solar flares. Moscow Univ. Phys. Bull. 66(5), 466–472 (2011) [Sect. 4.5.5] Gurevich, A.V.: On the theory of runaway ...
( Category:
Astrophysics & Space Science
April 24,2020 )
epub, pdf |eng | 2017-04-24 | Author:Steven Greer M.D. [Greer M.D., Steven]
[See Appendix 7 for supporting document.] * * * TESTIMONIAL Lord Hill-Norton is a five-star Admiral and the former head of the British Ministry of Defense. I know a good ...
( Category:
Military
April 24,2020 )
epub |eng | | Author:Pal Brekke
Sunspot Cycle Every 11 years or so the Sun goes through a period we call “solar maximum,” where there are many large sunspots. About 5 years later, the Sun will ...
( Category:
Astronomy & Space Science
April 24,2020 )
epub |eng | | Author:Piers Bizony
PART FIVE Blast Radius How could people of conscience create weapons of mass destruction? We live in an age of localised terrorism, and sometimes we forget that the atom bomb ...
( Category:
Atomic & Nuclear Physics
April 22,2020 )
epub |eng | | Author:Christopher Wanjek
Growing Food on the Moon Next up on the hazard menu, food security. As with most other activities on the Moon, food production will need to be sheltered—that is, growing ...
( Category:
Astronomy
April 22,2020 )
Categories
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