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Author Question: Which design has a convex primary mirror and flat secondary mirror, with the eyepiece located on the ... (Read 85 times)

clippers!

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on: Jul 27, 2018
Which design has a convex primary mirror and flat secondary mirror, with the eyepiece located on the top side of the telescope tube?
 
  A) refractor
  B) Newtonian reflector
  C) Cassegrain reflector
  D) prime focus reflector
  E) interferometer

Question 2

What type of meteorite is the most abundant? Most easily found? Why the difference?
 
  What will be an ideal response?


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Jane

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

B

Answer to Question 2

Just as the S asteroids are most common, so stony meteorites are also abundant. But they blend in with similar surface rocks on Earth, and weather quickly as well. Iron meteorites are very durable, and much denser and often magnetic, which makes finding them easier in most cases.


clippers!

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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