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Author Question: All elliptical galaxies are more massive than the largest spiral galaxies. a. True b. False ... (Read 71 times)

wenmo

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All elliptical galaxies are more massive than the largest spiral galaxies.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Space-based telescopes carrying long-wavelength infrared detectors must carry coolant such as liquid helium to chill their optics to near absolute zero temperature.
 
  a. True
  b. False
  Indicate whether the statement is true or false



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jsm54321

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Answer to Question 1

False

Answer to Question 2

True




wenmo

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Reply 2 on: Jul 27, 2018
Wow, this really help


dantucker

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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