An Astronomer Who Is Observing Visible Light from a Glowing

Question 26
Multiple Choice

An astronomer who is observing visible light from a glowing cloud of gas in space uses an instrument which contains a grating with thousands of grooves on its surface. What will this instrument allow our astronomer to do? A) take photos with much higher resolution B) spread out the light from the cloud into a spectrum C) observe radio waves from the cloud at the same time as visible light D) turn a reflector into a refractor E) listen to rock and roll music from the 1960's Section 6.4: Radio Telescopes