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Author Question: Which of the following is a technique used by astronomers in their search for other planetary ... (Read 52 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
Great answer, keep it coming :)

jackie

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Reply 3 on: Yesterday
Wow, this really help

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