Astronomy
epub |eng | | Author:Angelo Pio Rossi & Stephan van Gasselt

Wind can create wind streaks in presence of topographic obstacles. Wind streaks can form either by deposition or erosion of material. A wind streak can form when material is transported ...
( Category: Astrophysics & Space Science March 20,2020 )
epub |eng | 2019-03-19 | Author:Jon Larsen

Fine-grained cryptocrystalline (CC). Some of these have metal beads, some are the so-called “turtlebacks,” and some are translucent. Note, however, the characteristic aerodynamic forms. PORPHYRITIC OLIVINE Porphyritic olivine (PO) micrometeorites ...
( Category: Microscopes & Microsocopy March 20,2020 )
epub |eng | 2019-11-18 | Author:Jay Ingram

To see if this difference had something to do with a zebra’s stripes, the team clothed horses in striped coats. These horses received many fewer bites on their bodies but ...
( Category: Astronomy March 19,2020 )
epub |eng | | Author:Martin Pessah & Oliver Gressel

Van Kooten et al. (2016) recently proposed that the metal-rich carbonaceous chondrites (CB, CH and CR) accreted from material predominately located beyond the orbits of the gas giant planets. This ...
( Category: Astrophysics & Space Science March 19,2020 )
epub |eng | | Author:Ken M. Harrison

Ken M. HarrisonPatrick Moore's Practical Astronomy SeriesGrating Spectroscopes and How to Use Them201210.1007/978-1-4614-1397-4_5© Springer Science+Business Media, LLC 2012 5. Improving Your Grating Spectroscope Ken M. Harrison1 (1)Wezembeek-Oppem, Belgium Abstract Once ...
( Category: Scientific Instruments March 19,2020 )
epub |eng | 2019-10-19 | Author:Hughes, Edward [Hughes, Edward]

( Category: Astronomy March 19,2020 )
epub |eng | | Author:Michael A. Covington [Covington, Michael A.]

9.5.2Subpixel Accuracy Crucially, the autoguider – whether a standalone device or software in a laptop – analyzes star images with subpixel accuracy. It doesn’t just figure out which pixel in ...
( Category: Equipment March 19,2020 )
epub |eng | | Author:James L. Chen

4.Beware of fogging, and condensation. It is easy to fog over eyepieces and finderscopes by inadvertently breathing on them. Don’t breathe on your eyepieces or finderscopes. 5.Early autumn, the bugs ...
( Category: Astronomy March 19,2020 )
epub |eng | | Author:David Warmflash

1945 OPERATION OVERCAST In 1945, the US began Operation Overcast to locate German technical specialists in various fields. Authorized by President Harry Truman (1884–1972) and later renamed Operation Paperclip, the ...
( Category: Astronautics & Space Flight March 19,2020 )
epub, pdf |eng | 2012-06-21 | Author:Simon Newcomb

IX SCIENTIFIC WASHINGTON It is sometimes said that no man, in passing away, leaves a place which cannot be equally well filled by another. This is doubtless true in all ...
( Category: Astronomy March 19,2020 )
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 )
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 )
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 )
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 )
epub |eng | | Author:David H. Levy

When a new planet swims into his ken; Or like stout Cortez when with eagle eyes He star’d at the Pacific… Most critics assume that Keats was recalling Herschel’s discovery ...
( Category: European March 18,2020 )