By Pierre-Yves Bely

Amazon has performed a disservice to these people that got this ebook to work out the colourful illustrations within the iPad and iPhone. All colour has been stripped.
Many figures depend on colour differentiation to explain and clarify the content material. the colour must have been retained, on account that now the kindle books will be learn on many units, together with desktops, that supply colour. differently, the e-book description in amazon should still supply a disclaimer.
I do have one other kindle booklet that i will be able to learn in colour at the mobilephone, computer and iPad, so it's not a rule that each one kindle books are intrinsically black and white.

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For the Greeks and certain Amerindians, the pattern evoked a bear. For the ancient Chinese, it was the carriage of the emperor of the celestial world. In medieval Europe, it was a horse-drawn cart. For Americans today, it is a dipper, and for the British, a plough. Of course, the stars in a given constellation are not physically linked and are distributed in three-dimensional space, so if there are any other civilizations in our general neighborhood of the Galaxy, and if they should search for shapes in their sky, they would see different patterns even if they looked at the same stars as we do.

Supernova explosions only last for about 10 s, but the residual object remains bright for months. 16 What is a nova? A supernova? A nova – the name means “new” in Latin – is a star that suddenly becomes enormously bright. Novae were so named because they appeared where no star had been seen before, but that was simply because they had been too faint to be visible to the naked eye. And when they did become visible, it was because they had undergone a violent nuclear explosion. Most novae are the result of an explosion in a binary star system (Q.

The Arabs were so impressed by Ptolemy’s work that they called his book Al Magister, the Grand, which later became Almagest. 29 30 Stars When astronomers began to use large telescopes, ever fainter stars could be observed, and catalogs were compiled by various institutions. Since these catalogs overlap, some stars have a great many names! The most common catalogs in use are the Bonner Durchmusterung from the Bonn Observatory, published in 1859, the Smithsonian Astrophysical Observatory Catalog, and the Henry Draper Catalog, established in the 1920s.

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