About This Book
Since the invention of the telescope 400 years ago, astronomers have rapidly discovered countless celestial objects. But how does one make sense of it all? Astronomer and former NASA Chief Historian Steven J. Dick brings order to this menagerie by defining 82 classes of astronomical objects, which h...
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Reading Time Estimates
12h 35m
slow reader
180 WPM
9h 3m
average reader
250 WPM
6h 28m
fast reader
350 WPM
π 135,850 wordsπ
19 days at 30 min/day
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WPM
Reading time
9 h 3 min
at 250 words per minute
Audiobook (1.5x)
10 h 4 min
at 1.5x narration speed
Audio 1x
15 h 6 min
Audio 2x
7 h 33 min
That's about:
- π 19 daysΒ reading 30 min/day
- π19 commutesΒ of 30 min each