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Author Question: Why do the present methods of finding extrasolar planets (Doppler measurement and planetary ... (Read 25 times)

rosent76

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on: Jul 27, 2018
Why do the present methods of finding extrasolar planets (Doppler measurement and planetary transits) not favor finding solar systems like ours?
 
  What will be an ideal response?

Question 2

A stage 4 protostar may temporarily be thousands of times more luminous than the Sun.
 
  Indicate whether the statement is true or false


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wuly

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

Doppler shifts are greatest for rapidly moving stars, where their planets are moving very close to them and with periods of much less than a year. Only Jovian planets will have the mass needed to exert detectible pulls such as this also.

Answer to Question 2

TRUE


rosent76

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

nanny

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Reply 3 on: Yesterday
Excellent

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