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Description
Mathematical Astronomy for AmateursThis is a clear and simple introduction to the calculations that form the basis of all astronomical laws and observations. Most elementary astronomy books are purely descriptive, while textbooks of mathematical astronomy assume a considerable knowledge of mathematics. Here the author relies only on simple 'school maths' to help the amateur widen his horizons and interpret his observations. Binding Type: Paperback Publisher: W. W. Norton & Company
This is a clear and simple introduction to the calculations that form the basis of all astronomical laws and observations. Most elementary astronomy books are purely descriptive, while textbooks of mathematical astronomy assume a considerable knowledge of mathematics. Here the author relies only on simple 'school maths' to help the amateur widen his horizons and interpret his observations.Binding Type: Paperback
Publisher: W. W. Norton & Company
Published: 01/01/1980
ISBN: 9780393333428
Pages: 156
Weight: 0.45lbs
Size: 8.50h x 5.50w x 0.36d
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4.1 ★★★★★
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Product Reviews
★★★★★ 5
heavy sturdy plates
i use them to feed cats
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Reviewed in the United States on October 15, 2021
★★★★★ 5
Good weight for canned cat food
These don’t bend with canned cat food like some of the others.
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Reviewed in the United States on November 6, 2024
★★★★★ 5
very good quality
I just bought these and have found them to be of very good quality for a good price! They have a protecting film that will npt allow the plate to get soggie and weak, No designs required! these guys are great for snacks and other smal food servings, desserts etc... I woul recommend them. Price is good for the quantity
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Reviewed in the United States on March 25, 2023
★★★★★ 5
Perfect plates
This size is hard to find in paper plates that have a little weight. Stands up well to wet food. Will buy again.
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Reviewed in the United States on November 24, 2022
★★★★★ 5
Work perfectly for feeding our cat
Wanted the convenience and hygiene of single use cat dishes. They do not absorb liquid from wet food and last for several hours if necessary without soggy problems.
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Reviewed in the United States on April 23, 2022
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