Through the Telescope
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About this book
Through the Telescope is by James Baikie. The text calls the 40-inch Clark refractor of the Yerkes Observatory at present the last word of optical skill so far as achromatics are concerned.
The text says Sir Isaac Newton, considering, wrongly as the sequel showed, that the case of the refractor was desperate, set about the attempt to find out whether the reflection of light by means of suitably-shaped mirrors might not afford a substitute for the refractor. The text says that polar caps are observed to be large after the Martian winter has passed over each particular hemisphere, and that as the season progresses the polar cap diminishes and has even been seen to melt away altogether.
About the author
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Book facts
- Author
- James Baikie
- Pages
- 240
- Language
- English
- Genre
- Popular Science
- Formats
- PDF, EPUB, Read online