Chapter 1. Expansion of the Universe

Map Learning Exercises

Expansion of the Universe

Question If you are in galaxy "A," which galaxy would appear to move away from you most quickly?

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{"title":"selection","description":"The farther away the galaxy, the faster it will appear to move.","type":"correct","color":"#99cc00","code":"[{\"shape\":\"circle\",\"coords\":\"371,145,30\"}]"}
Correct.
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Question If you are in galaxy "A," which galaxy would appear to move away from you most slowly?

ywYlNEOenutmaXfyM3Z62IJUvYNirs7nVarGY5APixQ=
{"title":"selection","description":"\"B\" and \"E\" are the same distance away, so they would appear to move at the same speed. The would also appear to be the slowest as they are the closest to the observer.","type":"correct","color":"#99cc00","code":"[{\"shape\":\"circle\",\"coords\":\"247,143,29\"},{\"shape\":\"circle\",\"coords\":\"198,200,28\"}]"}
Correct.
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Question If you are in galaxy "A," which galaxy would appear to be staying in place?

ywYlNEOenutmaXfyM3Z62IJUvYNirs7nVarGY5APixQ=
{"title":"selection","description":"If you were in galaxy \"A,\" it would seem as if you were standing still and all of the other galaxies were moving. Of course, if you were in any of the other galaxies, you would see things differently!","type":"correct","color":"#99cc00","code":"[{\"shape\":\"circle\",\"coords\":\"200,144,27\"}]"}
Correct.
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Question Which of the galaxies are expanding the fastest?

ywYlNEOenutmaXfyM3Z62IJUvYNirs7nVarGY5APixQ=
{"title":"selection","description":"Galaxies do not expand due to the expansion of the universe. Expansion occurs BETWEEN the galaxies, not inside of them.","type":"correct","color":"#99cc00","code":"[{\"shape\":\"rect\",\"coords\":\"258,11,398,40\"}]"}
Correct.
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Question Which way are we going?

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{"title":"selection","description":"As we travel towards the radiation, our movement has the effect of blueshifting the light. Everything that we are moving away from appears redshifted.","type":"correct","color":"#99cc00","code":"[{\"shape\":\"poly\",\"coords\":\"399,83,429,136,440,199,426,269,400,319,277,236,302,197,284,158,397,76,395,79\"}]"}
Correct.
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