Chapter 1. 172 Detecting Clouds of Dust and Gas

Map Learning Exercises
Question 1 of 2

Detecting Clouds of Dust and Gas

What part of the spectrum do we use to find clouds of dust and gas?

On the left, this image shows one way in which electromagnetic radiation (EMR) is created. This method of EMR production frequently occurs within cold clouds of dust and gas. Click on the spectrum to show which type of EMR is created in this manner.
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{"title":"selection","description":"The \"spin-flip\" transition of electrons emits radiation in the radio portion of the spectrum. Nice work.","type":"correct","color":"#99cc00","code":"[{\"shape\":\"rect\",\"coords\":\"346,236,649,349\"}]"} {"title":"not spectrum","description":"Click on the SPECTRUM!","type":"incorrect","color":"#000000","code":"[{\"shape\":\"rect\",\"coords\":\"3,2,336,316\"}]"}
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