About This Book
The Ptolemaic system of the universe, with the earth at the center, had held sway since antiquity as authoritative in philosophy, science, and church teaching. Following his observations of the heavenly bodies, Nicolaus Copernicus (1473-1543) abandoned the geocentric system for a heliocentric model,...
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Reading Time Estimates
14h 35m
slow reader
180 WPM
10h 30m
average reader
250 WPM
7h 30m
fast reader
350 WPM
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Reading time
10 h 30 min
at 250 words per minute
Audiobook (1.5x)
11 h 40 min
at 1.5x narration speed
Audio 1x
17 h 31 min
Audio 2x
8 h 45 min
That's about:
- 📅22 days reading 30 min/day
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