Where to Find

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Dark Matter, Dark Energy, Dark Gravity is available as an e-book or paperback. Ratings are consistently averaging 4 stars or above on Goodreads. 

The Kindle version is available here:

viewbook.at/dmdedgkindle

The paperback version is available at Amazon here:

viewbook.at/dmdedgpaperback

The paperback version is available at Barnes and Noble here:

 

https://www.barnesandnoble.com/w/dark-matter-dark-energy-dark-gravity-dr-stephen-c-perrenod/1115685436?ean=9781481284080

Reviews at Goodreads:

https://www.goodreads.com/book/show/19448565-dark-matter-dark-energy-dark-gravity?from_search=true

“This was one of the better books I have read on the subject that is really more for the devoted science geek…

“I would highly recommend this book to people who have a background in science and a strong desire to learn about the interesting theories and thoughts on this new branch of research.”

72 Beautiful Galaxies:

72 Beautiful Galaxies is a picture book of galaxies at low and high redshift, of clusters of galaxies, and of the great telescopes. It is available at Amazon as either a Kindle book or as a paperback.

In 72 Beautiful Galaxies we take you on a trip from relatively near to very far away in the universe, with images of 72 galaxies – and beyond that you will also see hundreds of galaxies as they are found in clusters. You will see that galaxies come in many shapes and sizes, with major categories being spirals and ellipticals. There are also many irregular galaxies and galaxies undergoing mergers or being cannibalized by other galaxies. Galaxies vary tremendously in their masses, in their luminosities, in their shapes, in their star formation rates, and in the amount of gas and dust they contain. And some are near, in cosmic terms, and some are billions of light-years away, at the edge of the universe. Many are found in groups, including our own Milky Way. Others are found within very large clusters.
This book has been designed to provide you with some appreciation of the variety of galaxy types, as well as their beauty, and some feeling for what astronomers are seeking to understand as we explore and discover more and more galaxies with the Great Telescopes of our day.

 

Image credit: NASA/ESA Hubble Space Telescope. The bright blue stars and star clusters are young stars found in this most lovely galaxy, whose appearance is enhanced by a number of dark dust lanes. This photograph is from the Wide Field and Planetary Camera 2 on the Hubble Space Telescope.
NGC 986 is a spiral galaxy discovered in 1828 by James Dunlop. It is around 56 million light-years to this beautiful galaxy.

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