It takes the average reader 3 hours and 13 minutes to read Introduction to Stars and Planets by Alan Hirshfeld
Assuming a reading speed of 250 words per minute. Learn more
How do astronomers know what they know about the stars and planets? That is the question behind today's rapid pace of cosmic discovery, for every new finding rests upon a centuries-long foundation of astronomical practice. Introduction to Stars and Planets: An activities-based exploration reveals the methods by which Earthbound observers have deduced the physical attributes of celestial bodies, whether situated within our solar neighborhood or at the far ends of the galaxy. The book's 28 mildly mathematical activities invite readers to carry out the essential work of the astronomer by...
Introduction to Stars and Planets by Alan Hirshfeld is 192 pages long, and a total of 48,384 words.
This makes it 65% the length of the average book. It also has 59% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 4 hours and 24 minutes to read Introduction to Stars and Planets aloud.
Introduction to Stars and Planets is suitable for students ages 10 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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