When images like these are taken it is easy to see the path that stars take. Depending on the time filmed their paths are more or less obvious. This particular picture was from 30, one minute exposures in Cape Cod, Massachusetts. The house and the lighthouse are put in the picture as a frame of reference, so that one can see the scale, and in this particular one it looks as though the stars are orbiting the lighthouse. Several of the stars in the picture are circumpolar, which mean that they never set. These pictures are always interesting to astronomers and they astound other people viewing them.
This is an absolutely incredible picture. It is fascinating that the stars in this photo never set.
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