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Author Question: How do humans use their eyes to measure relative distance by parallax? a. By continuously ... (Read 24 times)

shofmannx20

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on: Jul 27, 2018
How do humans use their eyes to measure relative distance by parallax?
 
  a. By continuously focusing our eyes on distant objects, we can determine distance.
  b. Since our eyes are separated, the brain interprets the relative look angles of these eyes in terms of distance to the object viewed.
  c. Our eyes can measure the time it takes light to travel from an object and from this we get distance.
  d. By moving our heads from side to side our brain compares look angles from each of these positions to obtain the distance to the object viewed.

Question 2

Radio telescopes which use dishes to gather radio waves are _______ telescopes.
 
  a. reflecting
  b. refracting
  c. deflecting
  d. compound
  e. retracting


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jesse.fleming

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

b
RATIONALE: In Figure 8-2, think of Earth Now as your left eye, the Sun as your nose, and Earth 6 months from now as your right eye as viewed from overhead and you are looking at the blue star in the distance. The geometry is the same, but on a smaller scale.

Answer to Question 2

a


shofmannx20

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Reply 2 on: Jul 27, 2018
Gracias!

kthug

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Reply 3 on: Yesterday
Wow, this really help

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