All elliptical galaxies are more massive than the largest spiral ...

[wenmo]

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

[jsm54321]

Answer to Question 1

False

Answer to Question 2

True

[wenmo]

Thanks for the timely response, appreciate it

[komodo7]

Wow, this really help