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Author Question: It is much easier to build large reflectors than large refractors. Indicate whether the statement ... (Read 68 times)

jake

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on: Jul 27, 2018
It is much easier to build large reflectors than large refractors.
 
  Indicate whether the statement is true or false

Question 2

Today we rely largely on what technique to precisely measure distances in the solar system?
 
  A) Transits of Venus across the Sun
  B) Radar echo timings
  C) Measurement of stellar parallaxes.
  D) Timings of the eclipses of its moons by Jupiter's shadow
  E) Precise measurements of length of the year with atomic clocks


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Chocorrol77

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

TRUE

Answer to Question 2

B


jake

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

scikid

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Reply 3 on: Yesterday
Excellent

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