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How long does it take to read Cosmos?

Carl Sagan

Cosmos by Carl Sagan takes about 6 hours 29 minutes to read at 250 words a minute.

About 6 hours 29 minutes

A weekend read

First published 1980. 354 pages, about 97,350 words.

13 days at 30 minutes a day

Estimate based on 275 words per page.

At other speeds

Slow, 150 words a minute 10 hours 49 minutes
Average, 250 words a minute 6 hours 29 minutes
Fast, 400 words a minute 4 hours 3 minutes

The page count is the median across 74 editions, so your copy may differ. How we calculate.

About the book

Cosmos is a popular science book by the astronomer Carl Sagan, first published in 1980. Across thirteen illustrated chapters, it surveys fifteen billion years of cosmic evolution alongside the growth of science and civilization. Sagan draws on anthropology, biology, history and astronomy, from antiquity to modern times, and tells anecdotes about prominent scientists to place their work in context. He examines how knowledge and the scientific method arose, weighs the odds of alien civilizations against the lack of credible evidence, and considers nuclear war, aiming to make complex ideas clear to any curious person.

This summary was written by AI and checked by a second AI model. How these are chosen.

Subjects: Ouvrages de vulgarisation, Astronomie, Astronomy, Popular works, History, Science

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