Chapter 1. 173 The Landscape of a Spiral Galaxy

Map Learning Exercises
Question 1 of 4

The Landscape of a Spiral Galaxy

Where are the main masses of dust and gas that will give rise to new stars?

Click on one of the main masses of dust and gas in this image.
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{"title":"left","description":"You've got one. Are there any others?","type":"correct","color":"#ff0000","code":"[{\"shape\":\"poly\",\"coords\":\"198,20,178,45,171,73,127,99,101,100,95,134,53,150,-3,160,-2,143,25,122,40,82,65,81,65,98,99,63,135,55,166,19,204,6\"}]"} {"title":"middle","description":"You've got one. Are there any others?","type":"correct","color":"#ff6600","code":"[{\"shape\":\"poly\",\"coords\":\"309,129,278,162,266,151,256,172,173,186,170,178,106,194,80,189,57,194,14,188,10,225,59,213,105,232,145,219,222,221,290,182,332,132\"}]"} {"title":"right","description":"You've got one. Are there any others?","type":"correct","color":"#ffcc00","code":"[{\"shape\":\"poly\",\"coords\":\"259,106,287,107,301,85,316,99,306,126,337,129,347,122,387,147,423,174,474,161,489,118,424,111,403,95,366,84,407,85,436,59,366,40,325,42,258,68,243,87\"}]"}
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