Author Question: Spiral galaxies have more gas, dust, and young stars than elliptical galaxies. Indicate whether ... (Read 87 times)

cabate · **on:** Jul 27, 2018

Spiral galaxies have more gas, dust, and young stars than elliptical galaxies.

Indicate whether the statement is true or false

Question 2

In astronomy, an interferometer can be used to

A) decrease the effects of light pollution in getting darker sky backgrounds.
B) yield better seeing conditions with optical telescopes.
C) increase the sensitivity of infrared telescopes to longer wavelengths.
D) speed up the processing of CCD images.
E) improve the angular resolution of radio telescopes.