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A History of Astronomy from Thales to KeplerThis is the only detailed history of early astronomy available in English. Formerly published under the title History of the Planetary Systems from Thales to Kepler, it is recognized as a masterpiece of both historical insight and scientific accuracy. Beginning with the astronomical ideas of the ancient Egyptians, Babylonians, and pre philosophic Greeks (Homer and Hesiod), it moves up through Thales, Anaximander, Anaximenes, Xenophanes, Parmenides,
This is the only detailed history of early astronomy available in English. Formerly published under the title History of the Planetary Systems from Thales to Kepler, it is recognized as a masterpiece of both historical insight and scientific accuracy.Beginning with the astronomical ideas of the ancient Egyptians, Babylonians, and pre-philosophic Greeks (Homer and Hesiod), it moves up through Thales, Anaximander, Anaximenes, Xenophanes, Parmenides, Heraclitus, Empedocles, Democritus, and other early Greek cosmologists. The Pythagoreans are considered next, with their occasionally remarkable anticipations of modernity, and then Plato's astronomical thought. The enormously important system of concentric spheres for planets, usually associated with Eudoxus, is described in detail, followed by a discussion of Aristotle, Heraclides, and Aristarchus. The theory of epicycles -- which held for almost 2,000 years -- is then considered, with chapters on the dimensions of the world and the finished Ptolemaic system.
Medieval European and Islamic cosmologies are then described in detail. Nicolas of Cusa, Regiomontanus, Calcagnini, and other transitional figures from the Middle Ages to the Renaissance are then followed by detailed chapters on Copernicus, Tycho Brahe, and Kepler.
"Standard reference on Greek astronomy and the Copernican revolution." -- Sky and Telescope.
"A classical book in the field of the history of astronomy."-- Philosophy and Science.
Binding Type: Paperback
Publisher: Dover Publications
Published: 12/08/2011
ISBN: 9780486600796
Pages: 464
Weight: 0.97lbs
Size: 7.97h x 5.44w x 0.92d
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★★★★★ 5
Great value, comfy, cozy, perfect!
Size: 36" x 36", Color: Grey, Size: 36" x 36", Color: Grey
My dog loves this bed. So do my husband and I. Firm, fuzzy, comfy, security and great value for the price. I recommend it and so glad I purchased it!!
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Super dog bed
Size: 23" x 23", Color: Beige
This review is from my dog Beau, “I love my new bed. It’s cushy and fits my 15 pounds of fluff and fur beautifully. I can stretch out and sleep on my back if I want. I really appreciate that it didn’t have any funky chemical smell when it arrived. My mom ordered the sand color to match my fur. She says it looks just like the picture. It’s really soft and comfortable, I won’t leave it long enough for her to wash it. She had to order a second one for the kitchen so she could finally wash the original. By the way, it washed perfectly and didn’t shrink an inch. “
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Reviewed in the United States on August 31, 2025
★★★★★ 5
Good bed
Size: 36" x 36", Color: Beige
Easy to wash and our dog loves it.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
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Size: 36" x 36", Color: Beige, Size: 36" x 36", Color: Beige
She loves it, so that makes it a five star purchase. It’s super cozy soft. Just looking at makes ME want to take a nap 💤 🤭.
Neutral color, large size, and supportive bolster. It looks nice and the material is thick and durable.
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Reviewed in the United States on February 16, 2026
★★★★★ 3
Hope that new one was sent
Size: 36" x 36", Color: Grey, Size: 36" x 36", Color: Grey
2nd bed ordered. Great bed. 2nd bed came with black stains. Looked like previously used
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Reviewed in the United States on February 26, 2026
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