About This Book
A practical guide to the night sky that can be used by amateur astronomers anywhere in the world. This Eyewitness Handbook features entries on all 88 constellations of the northern and southern hemispheres. A set of clear, easy-to-use star charts allow the reader to identify unknown objects at any t...
More by Ian Ridpath
Reading Time Estimates
5h 51m
slow reader
180 WPM
4h 13m
average reader
250 WPM
3h 1m
fast reader
350 WPM
π 63,250 wordsπ
9 days at 30 min/day
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WPM
Reading time
4 h 13 min
at 250 words per minute
Audiobook (1.5x)
4 h 41 min
at 1.5x narration speed
Audio 1x
7 h 2 min
Audio 2x
3 h 31 min
That's about:
- π 9 daysΒ reading 30 min/day
- π9 commutesΒ of 30 min each