Download Quirky Quarks: Mit Cartoons durch die unglaubliche Welt der by Boris Lemmer PDF

By Boris Lemmer

Ihr mögt Quantenphysik, Kosmologie und den Humor der Serie The sizeable Bang Theory? Ihr seid auf der Suche nach einer lustigen, unkomplizierten Erklärung für die Physik, die hinter Zeitreisen, Wurmlöchern, Antimaterie und Dunkler Energie steckt? All das – und noch viel mehr – findet ihr in diesem mit Comics und Fakten gefüllten Buch.
Quirky Quarks bietet euch:

  • Die größten Mysterien unseres Universums, erklärt durch die neuesten wissenschaftlichen Erkenntnisse in einer allgemein verständlichen Sprache.
  • Jede Menge Cartoons, Comics und Humor.
  • Einen unkomplizierten Einblick in die oft recht weird and wonderful Natur der Realität.

Beim Lesen werdet ihr sehen, dass knallharte Wissenschaft auch verständlich ist, ohne dass einem gleich der Kopf platzt.
Egal ob für Schüler, Lehrer, Physiker oder einfach Liebhaber des Kuriosen: Dieses Buch liefert euch auf eingängige paintings physikalische Erkenntnisse in einer bezaubernden und unterhaltsamen Comic-Welt, die von zwei Hunden, einer Katze und einigen sehr komischen Quarks bewohnt wird.
Mit top-aktuellen, wissenschaftlich-fundierten Beiträgen von Boris Lemmer und Benjamin Bahr, sowie Zeichnungen der Karikaturistin Rina Piccolo, ist dieses Buch die kurzweiligste wissenschaftliche Lektüre, die es auf dem Markt gibt.

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Download Scientific American The Amateur Astronomer (Scientific by Scientific American PDF

By Scientific American

From the longest working column in clinical American's background comes this selection of interesting initiatives for newbie astronomersFor over seventy years, "The novice Scientist" column in clinical American has helped humans discover their global and make unique discoveries. This choice of either vintage and up to date articles provides tasks for newbie astronomers in any respect degrees. Hands-on astronomy enthusiasts will locate tips to construct reasonably cheap astronomical tools utilizing usual shop-tools. From creating a telescope to predicting satellite tv for pc orbits to detecting the chemical composition of remote stars, this booklet has whatever for everybody drawn to functional astronomy.

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Download The Lidov-Kozai Effect - Applications in Exoplanet Research by Ivan I. Shevchenko PDF

By Ivan I. Shevchenko

This ebook offers with an impression in celestial mechanics that has turn into fairly very important in exoplanet examine. The Lidov-Kozai impression finds itself in coherent periodic diversifications (which could be very huge) of the inclination and eccentricity of an orbiting physique within the presence of an vulnerable perturber. The impact is understood to be very important within the movement of many asteroids and planetary satellites. what's extra, now it draws a growing number of curiosity within the astronomical and astrophysical neighborhood because of its relevance for lots of exoplanetary structures. fresh years witnessed significant developments in its concept. it'd be no exaggeration to assert that these days the Lidov-Kozai impression turns into some of the most studied astrophysical results. This publication covers the multitude of the Lidov-Kozai effect’s smooth purposes and its thought advancements. it will likely be helpful for researchers and scholars operating in astrophysics, celestial mechanics, stellar dynamics, theoretical mechanics, house missions layout, looking on the pursuits of the reader. The e-book is self-contained. It offers the whole unique insurance of the effect’s idea and applications.

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Download Variations on a Theme by Kepler by Victor W. Guillemin and Shlomo Sternberg PDF

By Victor W. Guillemin and Shlomo Sternberg

This publication is predicated at the Colloquium Lectures offered via Shlomo Sternberg in 1990. The authors delve into the mysterious position that teams, specifically Lie teams, play in revealing the legislation of nature through concentrating on the standard instance of Kepler movement: the movement of a planet lower than the appeal of the solar in line with Kepler's legislation. Newton discovered that Kepler's moment law--that equivalent components are swept out in equivalent times--has to do with the truth that the strength is directed radially to the solar. Kepler's moment legislations is de facto the statement of the conservation of angular momentum, reflecting the rotational symmetry of the approach in regards to the foundation of the strength. In latest language, we'd say that the crowd $O(3)$ (the orthogonal crew in 3 dimensions) is liable for Kepler's moment legislation. via the top of the 19th century, the inverse sq. legislations of allure was once visible to have $O(4)$ symmetry (where $O(4)$ acts on a section of the six-dimensional part area of the planet). Even greater teams have on account that been chanced on to be interested by Kepler movement. In quantum mechanics, the instance of Kepler movement manifests itself because the hydrogen atom. Exploring this circle of rules, the 1st a part of the e-book was once written with the final mathematical reader in brain. the rest of the ebook is geared toward experts. It starts off with an indication that the Kepler challenge and the hydrogen atom show $O(4)$ symmetry and that the shape of this symmetry determines the inverse sq. legislation in classical mechanics and the spectrum of the hydrogen atom in quantum mechanics. the gap of regularized elliptical motions of the Kepler challenge (also often called the Kepler manifold) performs a crucial position during this e-book. The final component to the booklet reviews some of the cosmological versions during this related conformal classification (and having various isometry teams) from the perspective of projective geometry. The computation of the hydrogen spectrum presents a demonstration of the main that enlarging the section house can simplify the equations of movement within the classical atmosphere and reduction within the quantization challenge within the quantum atmosphere. The authors offer a brief precis of the homological quantization of constraints and an inventory of contemporary purposes to many fascinating finite-dimensional settings. The publication closes with an summary of Kostant's conception, within which a unitary illustration is linked to the minimum nilpotent orbit of $SO(4,4)$ and during which electromagnetism and gravitation are unified in a Kaluza-Klein-type thought in six dimensions.

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Download Make Time For The Stars. Fitting Astronomy Into Your Busy by Antony Cooke PDF

By Antony Cooke

Many beginner astronomers are wanting time. A full-time occupation often takes up such a lot waking hours, and sometimes there easily isn’t time for leisurely gazing. thankfully, glossy applied sciences akin to computer-controlled telescopes, GPS, north-seeking and point detection, have made telescope set-up a lot speedier. Today’s imaging structures permit astronomers to take first-class astrophotographs with no the hours-long exposures. Make Time for the celebrities explains what to attempt on a decent agenda, and the way to take advantage of today’s gear to get the main astronomy out of the least time.

This publication showcases a big selection of fast played astronomical initiatives, together with numerous novel or new ways to looking at. There also are useful advice for maximizing time on the telescope, extracting optimum functionality, speedy and effective set-up, and simply performed optical upkeep. considerably, the booklet positive factors certain info on replacement imaging techniques with basic and no more time-consuming efforts.

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Download The night sky, updated and expanded edition : soul and by Richard Grossinger PDF

By Richard Grossinger

Ever considering Homo sapiens first seemed up on the stars, we as a species were searching for which means within the mysteries of the evening sky. Over the millennia, as our wisdom, technology, and expertise constructed, the tales we informed ourselves in regards to the universe and our position in it constructed besides. within the evening Sky, Richard Grossinger strains these advancements, protecting a number of elements of humanity's complex Read more...

summary: Ever due to the fact that Homo sapiens first seemed up on the stars, we as a species were trying to find which means within the mysteries of the evening sky. Over the millennia, as our wisdom, technology, and know-how constructed, the tales we advised ourselves concerning the universe and our position in it built besides. within the evening Sky, Richard Grossinger lines these advancements, protecting a number of points of humanity's advanced courting to the cosmos. overlaying not just astronomy but additionally cosmology, cosmogony, astrology, and technology fiction, he bargains us a revelatory examine the firmament via his personal telescope, geared up with an anthropological lens. all through his explorations, Grossinger regularly displays at the deeper which means of our altering options concerning the universe and construction, providing perception into how every one new discovery factors us to redefine the values, moralities, and aesthetics during which we are living. He additionally calls into query the self-aggrandizing idea that humanity can and may triumph over all, and injects our strident self assurance in technological know-how with a hearty dose of humility and sweetness. full of poetic commentary and profound questions, The evening Sky is an excellent mirrored image of humanity's dating with the cosmos--a dating fed through longing, doubt, and awe

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Download Searching for Extraterrestrial Intelligence: SETI Past, by H. Paul Shuch PDF

By H. Paul Shuch

This booklet is a suite of essays written by way of the very scientists and engineers who've led, and proceed to guide, the clinical quest referred to as SETI, the quest for extraterrestrial intelligence. Divided into 3 elements, the 1st part, ‘The Spirit of SETI Past’, written by way of the surviving pioneers of this then rising self-discipline, studies the most important initiatives undertaken through the first 50 years of SETI technology and the result of that examine.

In the second one part, ‘The Spirit of SETI Present’, the present-day technology and expertise is mentioned intimately, supplying the technical heritage to modern SETI tools, experiments, and analytical strategies, together with the processing of the bought signs to extract strength alien communications.

In the 3rd and ultimate part, ‘The Spirit of SETI Future’, the publication seems forward to the prospective instructions that SETI will soak up the subsequent 50 years, addressing such very important subject matters as interstellar message building, the dangers and assumptions of interstellar communications, after we may perhaps make touch, what extraterrestrial beings may possibly seem like and what's more likely to occur within the aftermath of this sort of contact.

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Download Celestial Shadows: Eclipses, Transits, and Occultations by John Westfall PDF

By John Westfall

Much of what's recognized in regards to the universe got here from the research of celestial shadows. This publication appears intimately on the manner eclipses and different celestial shadows have given us awesome insights into the character of the items in our sunlight process and the way they're even aiding us notice and learn planets that orbit stars except our solar. quite a few eclipses, transits, and occultations of the mooons of Jupiter and Saturn, Pluto and its satellite tv for pc Charon, asteroids and stars have helped astronomers to determine their dimensions, buildings, and shapes - even the lifestyles of atmospheres and buildings of exoplanets.

Long prior to Columbus got down to achieve the some distance East by way of crusing West, the curved shadow of the Earth at the Moon in the course of a lunar eclipse printed that we inhabit a around global, a globe. extra lately, comparisons of the sunlit and Earthlit components of the Moon were used to figure out alterations within the Earth's brightness as a fashion of tracking attainable results in cloud assurance that may be with regards to worldwide warming. Shadows have been utilized by the Greek mathematician Eratosthenes to determine the 1st estimate of the circumference of the Earth, through Galileo to degree the heights of the lunar mountains and by means of eighteenth century astronomers to figure out the dimensions of the sun method itself.

Some of the rarest and such a lot great shadows of all are these forged onto Earth by means of the beautiful "Evening big name" Venus because it is going among the Earth and the sunlight. those majestic transits of Venus take place at such a lot in a century; after the 2012 transit, there isn't an opportunity to watch this phenomenon until eventually 2117, whereas the extra universal sweep of a complete sun eclipse creates probably the most dramatic and awe-inspiring occasions of nature. even though it could actually have as soon as been a resource of consternation or dread, sun eclipses now lead hundreds of thousands of novice astronomers and "eclipse-chasers" to shuttle the globe in an effort to adventure the dramatic view lower than "totality." those phenomena are one of the so much miraculous on hand to observers and are given their complete due in Westfall and Sheehan's complete study.

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Download The Greatest Comets in History: Broom Stars and Celestial by David A.J. Seargent PDF

By David A.J. Seargent

Comets have involved and awed humankind considering precedent days. Of the millions of comets recorded all through historical past, these deemed to were the main extraordinary were defined within the debts of eyewitnesses and infrequently recorded in respectable records.

This publication introduces you to the best of the greats, beginning with the comet in 372 B. C. referred to as "Aristotle’s Comet" and finishing with the impressive visual appeal of McNaught’s Comet in 2007. there's an introductory bankruptcy explaining what comets are and the way they're categorized, and correcting a couple of well known misconceptions. Later within the booklet you'll examine different returns of Halley’s Comet and the Kreutz sungrazing crew, known as the kamikaze comets. there's even a bankruptcy on comets that have been obvious in extensive sunlight.

This e-book is exclusive. There are a couple of books on comets that make passing connection with many of the extra recognized or fantastic items of the previous, and some catalogs with lengthy lists of comets. yet little specified and descriptive details is contained in both of those resources.

This is an engaging account, not just for astronomers at each point but in addition for readers of renowned technology. In a fascinating method it pulls jointly an unlimited volume of data and gives wealthy anecdotal fabric that may entertain in addition to tell you.

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