Space Laser Creates Artificial Star . ... AURA , NSO , NOAO , NSF Explanation: Some astronomers don't like stars. ... So rather than try to eradicate existing stars with a laser, these astronomers create an artificial star of their own right where they need it -- with a laser . Subsequent observations of the artificial laser guide star can reveal information so detailed about the blurring effects of the Earth's atmosphere that much of this blurring can be removed by rapidly flexing the mirror. ...