Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Toward us b Away from us Velocity is perpendicular to the line of sight It is no possible to tell from this diagram 多

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a
Toward us
Away from us
Velocity is perpendicular to the line of sight
It is no possible to tell from this diagram
多
Transcribed Image Text:Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Toward us Away from us Velocity is perpendicular to the line of sight It is no possible to tell from this diagram 多
The image on top shows the spectrum of a star in the rest frame. The image on the bottom shows
the spectrum as observed on Earth. Is the star moving toward us, or away from us?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
Toward us
b
Away from us
Show All
Transcribed Image Text:The image on top shows the spectrum of a star in the rest frame. The image on the bottom shows the spectrum as observed on Earth. Is the star moving toward us, or away from us? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. Toward us b Away from us Show All
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