Figure 23.14: This is an ultraviolet image of the red supergiant star Betelgeuse taken with
the Hubble Space Telescope in 1996. This was the first direct image taken of the disk of a
star other than the Sun. ( 31 )
Figure 23.15: This is a simplified example of what light from a star looks like after it passes
through a spectrometer. ( 2 )