It takes the average reader 7 hours and 11 minutes to read On Sunspots by Galileo Galilei
Assuming a reading speed of 250 words per minute. Learn more
Galileo’s telescopic discoveries, and especially his observation of sunspots, caused great debate in an age when the heavens were thought to be perfect and unchanging. Christoph Scheiner, a Jesuit mathematician, argued that sunspots were planets or moons crossing in front of the Sun. Galileo, on the other hand, countered that the spots were on or near the surface of the Sun itself, and he supported his position with a series of meticulous observations and mathematical demonstrations that eventually convinced even his rival. On Sunspots collects the correspondence that constituted the public...
On Sunspots by Galileo Galilei is 418 pages long, and a total of 107,844 words.
This makes it 141% the length of the average book. It also has 132% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 9 hours and 49 minutes to read On Sunspots aloud.
On Sunspots is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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