Most Downloaded Free eBooks in Professional Science - Astronomy & Space Science

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1 - 10 of 146 results
release date: Oct 05, 2017
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Astronomy is designed to meet the scope and sequence requirements of one- or two-semester introductory astronomy courses. The book begins with relevant scientific fundamentals and progresses through an exploration of the solar system, stars, galaxies, and cosmology. The Astronomy textbook builds student understanding through the use of relevant analogies, clear and non-technical explanations, and rich illustrations. Mathematics is included in a flexible manner to meet the needs of individual instructors.
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release date: Jun 23, 2016
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The Book of David: Chapter One
"The Lord has appointed you to a special duty in these last days and given your life a unique purpose. Will you turn away from the myriad temptations of this wicked world and answer His righteous calling?"

The Walters family has just purchased the perfect home if only it weren't located in the small hick town of Harrington, Indiana, and if only it weren't haunted. David Walters is an atheist now, but his minister father taught him from a young age that Satan would one day deceive all mankind by pretending his demons were extraterrestrials. The day the Walters family moves in, they spot a flying saucer outside their new home. Things only get stranger from there. David Walters is about to learn what it means to be truly haunted, forcing him to confront his past, fight for his family, his soul, and his sanity.

This is the first of five chapters in THE BOOK OF DAVID, a serialized tale of terror from Robert Kent, author of ALL TOGETHER NOW: A ZOMBIE STORY and PIZZA DELIVERY.

This horror story is intended for a mature audience. It's filled with adult language, situations, and themes. It's in no way appropriate for the easily offended or younger readers of BANNEKER BONES AND THE GIANT ROBOT BEES.
release date: Sep 22, 2015
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The Book of the Damned
This fascinating chronicle of unexplained phenomena is a foundational work of paranormal science

In the early passages of The Book of the Damned, Charles Fort explains: “by the damned, I mean the excluded. We shall have a procession of data that Science has excluded.” Drawing upon countless articles, newspaper clippings, and arcane books, Fort assembles hundreds of real-life tales of the bizarre—from unidentified flying objects falling from the sky to the disappearance of several hundred people during the Lisbon earthquake of 1755 to rumors of poltergeists.
Rendered in the unique style that established Fort as a legend in the world of the paranormal, The Book of the Damned is an underground classic.
This ebook has been professionally proofread to ensure accuracy and readability on all devices.
release date: Feb 15, 2017
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Out of this World Truths about the Solar System Astronomy 5th Grade | Astronomy & Space Science
A 5th grader needs as much as “reinforcements” when it comes to studies. It is best if you can complement the official textbooks with refreshing resources but you don't want to overdo it. You want your child to stay focused but the same time, still interested in studying. That’s why you should choose the educational resources you buy carefully. Choose this book today.
release date: Jul 14, 2017
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Bizarre Horror Stories: Weird Accounts Of Swamp Monsters, Yowies, Trolls & Other Strange Creatures (Unexplained Encounters Book 2)

Wierd Accounts of Swamp Monsters, Yowies, Trolls, and Other Strange Creatures…

Get Your FREE BONUSES When You Grab This Book!

There are horror stories, and then there are bizarre horror stories. The kind that really makes you scratch your head after reading them, and inspire you to utter the poignantly plaintive refrain, “What the hell was that all about?” These stories of Trolls, Leprechauns, and Robot Aliens serve to remind us that the realm of the unknown is not just scary, it is often downright bizarre...

Just consider the tale of the family beset upon by a strange gnome-like entity in Southern California. There is no apparent rhyme or reason as to why these strange creatures may enter into our lives, but when they do, the ball is in their court, and they deliver their bizarre narrative strictly on their own terms.

We didn’t know that hidden realms of microbes, bacteria and viruses existed in direct concert with our daily life until we invented the microscope, perhaps something similar could be said about these bizarre intrusions as well. Perhaps there is some as of yet, hidden dimension from which the unimaginable occasionally emerges.

Just as man broke down the barrier that separated us from viewing the microscopic world, maybe someday we will invent a means of breaking through to this reality as well.

Until then, we will just have to enjoy the hair raising accounts of those who have been lucky (or unlucky) enough to bump into these other worldly denizens, resulting in some of the most bizarre horror stories you have ever heard...

Here Is A Preview Of What's Inside...

  • Bizarre Horror Stories: The Real Meaning of “Trolling”
  • Bizarre Horror Stories: Mass Migration of the Chupacabra
  • Bizarre Horror Stories: Discourse on Skunk Apes and Swamp Slobs
  • Bizarre Horror Stories: Killer Yard Gnome Terrorizes Family
  • Bizarre Horror Stories: Attacked by a Pack of Werewolves
  • Bizarre Horror Stories: Encounters with Extraterrestrial Robots
  • Much, much more!

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release date: Feb 08, 2017
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Cosmology in Vedanta: The Physics Correlation
This is the free e-book of the famous work 'The Secret Behind the Universe' by the same author.

Exploring the secrets of the Universe as far as physics can go, and even beyond.. Along with its Vedantic integration.

This book is divided into two sections. The first section is a work in physics which presents an in-depth exploration of Avyakta - the hidden metaphysical reality behind the apparent universe - through scientific study. A condensed version of this part has been published in the Prespacetime Journal Vol 7 Issue 16 on 08/01/2017, titled "Avyakta - The Fabric of Space" in which this concept is explored to complement the Standard Model and explain gravitation. This section of the book attempts to explore the role of avyakta behind various phenomena like matter waves, energy in the vacuum state, spiral arms of galaxies, dark matter, Higgs boson and virtual particles which pop out of nowhere, big bang and cosmic inflation and the anti-particle.

(Prespacetime Journal (ISSN: 2153-8301), QuantumDream, Inc., P.O. Box 267, Stony Brook, NY 11790-0267, USA; is a physics journal which focuses on the origin, nature and mechanism of space-time and its possible connection to a prespacetime; and models and experimental results on elemental particles, fundamental forces including gravity and related topics.)

The second section of the book presents in-depth study of cosmology as outlined in ancient Indian Philosophy, researching from the Bhagavad Gita and the Upanishads. The discussions shed light on many previously unknown levels and aspects. Since God cannot be considered in physics due to lack of experimental evidence, this section is provided as a separate part!

The first book of its kind, it brings the diverse fields of Science and Philosophy into face-to-face contact. It is a thrilling journey for all types of readers interested in science or Vedanta.
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release date: May 12, 2012
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The Early History of the Airplane
This book was converted from its physical edition to the digital format by a community of volunteers. You may find it for free on the web. Purchase of the Kindle edition includes wireless delivery.
release date: Mar 24, 2011
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Great Astronomers
This book was converted from its physical edition to the digital format by a community of volunteers. You may find it for free on the web. Purchase of the Kindle edition includes wireless delivery.
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release date: Feb 01, 2018
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Solar Particle Radiation Storms Forecasting and Analysis: The HESPERIA HORIZON 2020 Project and Beyond (Astrophysics and Space Science Library)
Solar energetic particles (SEPs) emitted from the Sun are a major space weather hazard motivating the development of predictive capabilities. This book presents the results and findings of the HESPERIA (High Energy Solar Particle Events forecasting and Analysis) project of the EU HORIZON 2020 programme. It discusses the forecasting operational tools developed within the project, and presents progress to SEP research contributed by HESPERIA both from the observational as well as the SEP modelling perspective. Using multi-frequency observational data and simulations HESPERIA investigated the chain of processes from particle acceleration in the corona, particle transport in the magnetically complex corona and interplanetary space, to the detection near 1 AU. The book also elaborates on the unique software that has been constructed for inverting observations of relativistic SEPs to physical parameters that can be compared with sp
ace-borne measurements at lower energies. Introductory and pedagogical material included in the book make it accessible to students at graduate level and will be useful as background material for Space Physics and Space Weather courses with emphasis on Solar Energetic Particle Event Forecasting and Analysis.
This book is published with open access under a CC BY license.
release date: Jan 23, 2018
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Earth Observation Open Science and Innovation (ISSI Scientific Report Series)
This book is published open access under a CC BY 4.0 license.
Over  the  past  decades,  rapid developments in digital and sensing technologies, such  as the Cloud, Web and Internet of Things, have dramatically changed the way we live and work. The digital transformation is revolutionizing our ability to monitor our planet and transforming the  way we access, process and exploit Earth Observation data from satellites.This book reviews these megatrends and their implications for the Earth Observation community as well as the wider data economy. It provides insight into new paradigms of Open Science and Innovation applied to space data, which are characterized by openness, access to large volume of complex data, wide availability of new community tools, new techniques for big data analytics such as Artificial Intelligence, unprecedented level of computing power, and new types of collaboration among researchers, innovators, entrepreneurs and citizen scientists. In addition, this book aims to provide readers with some reflections on the future of Earth Observation, highlighting through a series of use cases not just the new opportunities created by the New Space revolution, but also the new challenges that must be addressed in order to make the most of the large volume of complex and diverse data delivered by the new generation of satellites. 

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