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Author Question: Drawing on Eratosthenes' method, if two observers are due north and south of each other and are ... (Read 44 times)

tiffannnnyyyyyy

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on: Jul 27, 2018
Drawing on Eratosthenes' method, if two observers are due north and south of each other and are separated by 400 km, what is the circumference of their spherical world if they see the same star on their meridian at altitudes of 23 degrees and 47
 
  degrees respectively, and at the exact same time?
  A) 2,000 km B) 4,000 km C) 6,000 km D) 8,000 km E) 12,000 km

Question 2

We would expect other planets beyond our own solar system to orbit the equators of their home stars, as our own planets orbit the Sun.
 
  Indicate whether the statement is true or false


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vseab

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


tiffannnnyyyyyy

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Reply 2 on: Jul 27, 2018
Wow, this really help

sultana.d

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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