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Author Question: Which type of binary can have their sizes measured directly by photometry? A) virtual B) visual ... (Read 94 times)

tiara099

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Which type of binary can have their sizes measured directly by photometry?
 
  A) virtual
  B) visual
  C) eclipsing
  D) spectroscopic
  E) astrometric

Question 2

Which of the four Galilean moons is not differentiated?
 
  A) Io
  B) Europa
  C) Ganymede
  D) Callisto
  E) None of the above. All the moons are differentiated.



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soda0602

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Answer to Question 1

C

Answer to Question 2

D




tiara099

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Reply 2 on: Jul 27, 2018
Gracias!


ASDFGJLO

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Reply 3 on: Yesterday
:D TYSM

 

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