Editing 1852: Election Map
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A wave (e.g. an electromagnetic wave, like light) changes its frequency and wavelength when its source is moving relative to the observer, due to the {{w|Doppler effect}}. In the case of light, increased frequency — indicating movement towards the observer — is called {{w|blueshift}}, while reduced frequency — indicating movement away from the observer — is called {{w|redshift}}. These names apply even if the effect is outside of the visible spectrum (e.g. infrared light that has reduced frequency is called redshifted, even though its frequency is further away from that of visible red light than normally). Red and blue colors are used accordingly to indicate the effect. | A wave (e.g. an electromagnetic wave, like light) changes its frequency and wavelength when its source is moving relative to the observer, due to the {{w|Doppler effect}}. In the case of light, increased frequency — indicating movement towards the observer — is called {{w|blueshift}}, while reduced frequency — indicating movement away from the observer — is called {{w|redshift}}. These names apply even if the effect is outside of the visible spectrum (e.g. infrared light that has reduced frequency is called redshifted, even though its frequency is further away from that of visible red light than normally). Red and blue colors are used accordingly to indicate the effect. | ||
| β | The recent advent of the {{w|integral field spectrograph}} allowed astronomers to produce [http://iopscience.iop.org/0067-0049/199/1/1/downloadHRFigure/figure/apjs412917f14 images] illustrating how different parts of a galaxy move along our sightline, images that look not very different from the map Cueball shows. If one side of the image is | + | The recent advent of the {{w|integral field spectrograph}} allowed astronomers to produce [http://iopscience.iop.org/0067-0049/199/1/1/downloadHRFigure/figure/apjs412917f14 images] illustrating how different parts of a galaxy move along our sightline, images that look not very different from the map Cueball shows. If one side of the image is redshifted while the other side is blueshifted, the usual interpretation is that the galaxy is rotating with an axis of rotation not completely parallel to our sightline, but other interpretations are also possible. |
The map [[Cueball]] shows represents election results. Red regions mark where one of the political parties won, while blue regions indicate another party. (Because Randall lives in the United States, blue most likely corresponds to the {{w|Democratic party (United States)|Democratic Party}}, and red to the {{w|Republican party (United States)|Republican Party}}, but this is not stated in the comic.) Cueball, however, analyzes the map as if it showed the magnitude of Doppler effect by the light emitted by the region. This is a very strange interpretation in the context of an election, and is not what the viewers would expect to hear. This is why Cueball was quickly fired from his job, as the caption states. | The map [[Cueball]] shows represents election results. Red regions mark where one of the political parties won, while blue regions indicate another party. (Because Randall lives in the United States, blue most likely corresponds to the {{w|Democratic party (United States)|Democratic Party}}, and red to the {{w|Republican party (United States)|Republican Party}}, but this is not stated in the comic.) Cueball, however, analyzes the map as if it showed the magnitude of Doppler effect by the light emitted by the region. This is a very strange interpretation in the context of an election, and is not what the viewers would expect to hear. This is why Cueball was quickly fired from his job, as the caption states. | ||
