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Author Question: On the surface of a sphere the shortest distance between two points is A) an arc on a great ... (Read 79 times)

meagbuch

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on: Jul 27, 2018
On the surface of a sphere the shortest distance between two points is
 
  A) an arc on a great circle.
  B) a straight line.
  C) a circle.
  D) a triangle.
  E) a curvy line.

Question 2

What is stellar parallax?
 
  A) It is the daily rise and set of the stars.
  B) It describes the fact that stars are actually moving relative to one another, even though to our eyes the stars appear fixed in the constellations.
  C) It is the slight back-and-forth shifting of star positions that occurs as we view the stars from different positions in Earth's orbit of the Sun.
  D) It is the change in the set of constellations that we see at different times of year in the evening sky.


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princessflame2016

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

A

Answer to Question 2

C


meagbuch

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


princessflame2016

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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