Most Downloaded Free eBooks in Astronomy & Space Science - Astrophysics

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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: 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. 

release date: Mar 30, 2011
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A Text-Book of Astronomy
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 21, 2012
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Astronomy: The Science of the Heavenly Bodies
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: Jul 07, 2017
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Hyperaccelerator Theory: How to Use Electromagnetism, Superconductors and Particle Accelerator Technology to Reach Near-Light Speed
We are going to travel to the stars. I'd like to help get us there. In the interest of that, I offer this theory, and the accompanying inventions and ideas to humanity. Please take it from here. Thank you.

This brief document is intended for those who understand superconductors and particle accelerators, as well as the concepts of electromagnetism and velocity, that they might learn how to and assist in propelling mankind into deep space at unprecedented near-light speed velocities.

Written by Jason of Skiatook.

Please read. Thank you.
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release date: Jul 07, 2018
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Supermassive Ancient Galaxies (Trillion Theory Book 7)
Trillion Theory (the new theory by founder/theorist/author Ed Lukowich) is summarized in this book. This new Trillion Theory depicts its estimated ancient trillion year age and origin for our cosmos. Delving deep into humongous galaxies, TT examines the work done by the galaxy builders, which TT purports to be black holes. At the hub of each and every galaxy is a Supermassive black hole which controls all of the millions of solar systems within the galaxy, along with the millions of black holes doing their dutiful tasks of recycling the solar systems for each new 15 billion-year generation. TT says, 'That is why it is near impossible to spot a sun older than 13-14 billion years.; and why astronomers have been mistaken in estimating the age of our cosmos at only 13.7 billion years when viewing the current generation crop of suns and solar systems.' TT states that an ancient Supermassive black hole at the hub of galaxy may have started building its galaxy as far back as 800 billion years in the trillion-year cosmos. While the Supermassive black hole is ancient, its occupant solar systems die and spawn new solar systems once their star reaches the 10-14 billion year age and goes supernova. Our cosmos is akin to a forest which recycles old trees and spawns the next generation of trees. Quadrillions of black holes, varying in a multitude of sizes, are both the builders and the controllers of the solar systems and the galaxies of our immense cosmos. TT says, 'We indeed have plenty to discover and prove about our universe. Trillion Theory is pointing out the direction to be taken.'
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release date: Mar 24, 2011
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The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told
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 27, 2012
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Astronomical Curiosities Facts and Fallacies
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: Oct 19, 2013
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Solar System For Kids! A Comet Book: Fun Facts & Pictures of Space & Comets With Comet ISON (Kids Space Series Book 1)
Space has always fascinated mankind and comets are no exception!

In her latest children’s book “Solar System For Kids! A Comet Book: Fun Facts & Pictures of Space & Comets With Comet ISON” author Leanne Annett looks at different aspects of comets and space. This is Leanne's first book in the "Kids Space Series".

The book is full of color images of space and various comets. Including Comet ISON that will be at its closest position to our Sun in November 2013 and should be visible with the naked eye from Earth.

Note: This Comet and Space book has been designed for children aged approximately 8 years and older, who can read the book for themselves. Alternatively, parents can read the book to their kids (of all ages) and enjoy a fulfilling time of child and parent bonding.

Topics covered in this book include:

•What is a comet?
•When was comet ISON first discovered?
•How fast do comets travel?
•How big are comets?
•Are comets dangerous?

Why not take advantage of the limited time low price as this Kindle book launches and grab a copy for your child today. I am sure your child will enjoy the colorful pictures and the interesting information on Space and Comets.

This Kindle book is exclusive to the Amazon store. It can be easily downloaded and your child can begin reading and learning within a short time.

Please let me know your thoughts on the book by leaving a review after you read it.

Thanks so much and enjoy reading and expanding your knowledge of the world around us.
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