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Mars Percival Lowell
Mars
Percival Lowell
This book is the result of a special study of the planet made during the last opposition, at an observatory put up for the purpose of getting as good air as practicable, at Flagstaff, Arizona. A steady atmosphere is essential to the study of planetary detail: size of instrument being a very secondary matter. A large instrument in poor air will not begin to show what a smaller one in good air will. When this is recognized, as it eventually will be, it will become the fashion to put up observatories where they may see rather than be seen.
| メディア | 書籍 Paperback Book (ソフトカバーで背表紙を接着した本) |
| リリース済み | 2021年4月18日 |
| ISBN13 | 9798717263702 |
| 出版社 | Independently Published |
| ページ数 | 182 |
| 寸法 | 127 × 203 × 10 mm · 185 g |
| 言語 | 英語 |
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