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Author Question: Which of the following is a technique used by astronomers in their search for other planetary ... (Read 51 times)

AEWBW

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on: Jul 28, 2018
Which of the following is a technique used by astronomers in their search for other planetary systems?
 a. Observation of the star's rotation only
  b. Observation of the Doppler shifts in the star's spectrum only
  c. Both (A) and (B)
  d. The search for alien signals

Question 2

When a system is being driven at a natural frequency, it is said to be driven in ______________.
 Fill in the blank(s) with correct word


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harveenkau8139

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

resonance


AEWBW

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Reply 2 on: Jul 28, 2018
Wow, this really help

duy1981999

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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