An Astronomer Who Is Observing Visible Light from a Glowing

question 7

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

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