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Astronomy & Space Science
The Road to Modern Rocketry: Launch Bases, Centers, Museums, Memorials, and Monuments by Doug Gangler
epub |eng | 2016-03-29 | Author:Doug Gangler [Gangler, Doug]

Section 5.2: Other Early U.S. Rocket Efforts In the 1930s, advancement of rocketry in the United States was not just in the domain of Robert Goddard. It is true that ...
( Category: Astrophysics & Space Science March 19,2020 )
The Structure and Evolution of the Sun by Giuseppe Severino
epub |eng | | Author:Giuseppe Severino

Using the Eddington-Barbier approximation and LTE to express the emergent intensity and denoting with τ c the continuum optical depth and with τ l the additional optical thickness due to ...
( Category: Astronomy & Space Science March 19,2020 )
After the Martian Apocalypse by Mac Tonnies
epub, mobi |eng | 2004-07-06 | Author:Mac Tonnies

Such enigmatic remarks suggest that, as long as we remain Earth-bound, we will be fated to ignorance of all things alien. The Face on Mars just might offer us something ...
( Category: Astronomy March 19,2020 )
Living with Hitler by unknow
epub |eng | 2018-08-18 | Author:unknow

Was architecture really Hitler’s passion? When Professor Ludwig Trost died, Hitler suffered a great loss. At the time Troost was Hitler’s preferred architect, and he believed him to be a ...
( Category: Performing Arts March 19,2020 )
An Astronomer's Tale by Gary Fildes
epub |eng | 2016-07-27 | Author:Gary Fildes

The shape of the constellation Virgo is depicted as a young maiden holding a sheaf of wheat in her hand. The sheaf is represented by the star Spica, the brightest ...
( Category: Memoirs March 19,2020 )
Hyperbolic Triangle Centers by A.A. Ungar
epub |eng | | Author:A.A. Ungar

(6.68) Fig. 6.5The Law of Gyrosines. Drawing gyrotriangle gyroaltitudes in Einstein Gyrovector Spaces , and employing a basic gyrotrigonometric formula, shown in Fig. 6.4, we obtain the Law of Gyrosines, ...
( Category: Automotive March 19,2020 )
Revolutionizing Aircraft Materials and Processes by Spiros Pantelakis & Konstantinos Tserpes
epub |eng | | Author:Spiros Pantelakis & Konstantinos Tserpes

Fischer S (2011) Rechnerische Ermittlung der mechanischen Eigenschaften von Faltkernen. PhD thesis, Universitt Stuttgart Fujino M (2011) Case study 4 hondajet. Fundamentals of aircraft and airship 616 design, vol 2, ...
( Category: Engineering March 18,2020 )
Photography: Night Sky by Jennifer Wu
epub |eng | 2013-03-17 | Author:Jennifer Wu

Horizontal panorama of Zion National Park, Utah. It was photographed as five vertical images to include the arch of the Milky Way. f/1.8, 20 seconds, ISO 2500 with EF 24mm ...
( Category: Reference March 18,2020 )
Low Frequency Radio Observations of Galaxy Clusters and Groups by Thérèse Cantwell
epub, pdf |eng | | Author:Thérèse Cantwell

Fig. 3.5Greyscale plot showing X-ray image of MACS J2243.3-0935 in the Chandra ACIS 0.5–7 keV band. The image has been smoothed with a Gaussian kernel with pixels. The red contours ...
( Category: Astronomy & Space Science March 18,2020 )
Applied Computer Science for GGOS Observatories by Alexander N.J. Neidhardt
epub |eng | | Author:Alexander N.J. Neidhardt

But what does this autonomy and this automation mean? Autonomy of a production system, as already implied, means the ability to solve complex processing tasks with a maximum degree of ...
( Category: Programming March 18,2020 )
Moonwalk with Your Eyes by Tammy Plotner
epub |eng | | Author:Tammy Plotner

Fig. 13.4Billy - Damian Peach. For larger telescopes, let us try a challenging study worthy of your observing skills (Fig. 13.5). Due west of Hansteen you will find a small ...
( Category: Astronomy March 18,2020 )
Science, Culture and the Search for Life on Other Worlds by John W. Traphagan
epub |eng | | Author:John W. Traphagan

4.2 Culture and Indeterminacy You may have noticed and been bothered by the fact that I’ve used the term culture several times throughout this book without offering a precise definition. ...
( Category: Astronomy March 18,2020 )
Atomic Diffusion in Stars by Georges Michaud Georges Alecian & Jacques Richer
epub |eng | | Author:Georges Michaud, Georges Alecian & Jacques Richer

Figure 9.9 illustrates the effect of varying the strength of turbulence on surface abundances. The different models vary in strength, in their depth dependence (value of n) and in anchorage ...
( Category: Astronomy & Space Science March 18,2020 )
Hydrodynamics and Stellar Winds by Walter J. Maciel
epub |eng | | Author:Walter J. Maciel

so that that is, (8.10) Substituting (8.10) in (8.8), and dropping the subscript in ρ 0, we get that can be written as (8.11) which is a wave equation. Naturally, ...
( Category: Fluid Dynamics March 18,2020 )
Stardust Final Conference by Massimiliano Vasile Edmondo Minisci Leopold Summerer & Peter McGinty
epub |eng | | Author:Massimiliano Vasile, Edmondo Minisci, Leopold Summerer & Peter McGinty

2 Detailed Survey on European LEO Missions In order to identify a set of interesting spacecraft and their corresponding orbits to perform ADR and SDM, a detailed survey of European ...
( Category: Engineering March 18,2020 )

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