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Elevation Differences on Mars β€” Carl Sagan

Elevation Differences on Mars

by Carl Sagan

62 pages1966

About This Book

Contrary to the conclusions previously drawn, the polar-cap recession data suggest the dark areas are highlands, because of the greater wind velocities and frost-vaporization rates anticipated for highlands. From the quasi-specular component of the radar power reflectivity and from the radar Doppler...

Reading Time Estimates

1h 35m

slow reader

180 WPM

1h 8m

average reader

250 WPM

0h 49m

fast reader

350 WPM

πŸ“– 17,050 wordsπŸ“… 3 days at 30 min/day

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WPM

Reading time

1 h 8 min

at 250 words per minute

Audiobook (1.5x)

1 h 16 min

at 1.5x narration speed

Audio 1x

1 h 54 min

Audio 2x

57 min

That's about:

  • πŸ“…3 daysΒ reading 30 min/day
  • πŸš‡3 commutesΒ of 30 min each

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