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Author Question: The north celestial pole appears 30 above your horizon. The star Vega is on your meridian. By ... (Read 88 times)

sabina

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on: Jul 27, 2018
The north celestial pole appears 30 above your horizon. The star Vega is on your meridian. By studying your star charts and your clocks, you determine that Vega crossed the meridian in Greenwich (England) 3 hours ago. Where are you?
 
  A) latitude 30N, longitude 45 west
  B) latitude 30N, longitude 3 west
  C) latitude 60N, longitude 45 west
  D) It is not possible to determine your longitude from the information given.

Question 2

The origin of the erosion features seen on the surface of Mars appears to be due to
 
  A) runoff after rainfall
  B) erosion by water-rich debris flows
  C) an underground source
  D) one or more of these


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Mholman93

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

A

Answer to Question 2

D


sabina

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Reply #2 on: Jul 27, 2018
Thanks


Mholman93

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Reply #3 on: Jul 27, 2018
Welcome :)


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