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Author Question: In essence, the Kepler mission searched for extrasolar planets by ________. A) observing a star ... (Read 60 times)

jazziefee

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on: Jul 27, 2018
In essence, the Kepler mission searched for extrasolar planets by ________.
 
  A) observing a star carefully enough to notice that it is experiencing a gravitational tug caused by an unseen planet
  B) identifying spectral lines that look like what we expect to see from a planet rather than a star
  C) monitoring stars for slight dimming that might occur as unseen planets pass in front of them
  D) obtaining high-resolution photographs of other star systems

Question 2

Relative to the age of the universe, how old is our solar system?
 
  A) It is about 1 as old as the universe.
  B) It is about one-third the age of the universe.
  C) It is nearly the same age as the universe.
  D) It is between about 5 and 10 as old as the universe.


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Awesome

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

C

Answer to Question 2

B


jazziefee

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Reply 2 on: Jul 27, 2018
:D TYSM

laurnthompson

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Reply 3 on: Yesterday
Wow, this really help

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