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Author Question: All elliptical galaxies are more massive than the largest spiral galaxies. a. True b. False ... (Read 47 times)

wenmo

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

False

Answer to Question 2

True


wenmo

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Reply 2 on: Jul 27, 2018
:D TYSM

steff9894

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Reply 3 on: Yesterday
Excellent

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