Spitzer s Milky Way . ... Credit Copyright: GLIMPSE , MIPSGAL , NASA , JPL-Caltech , Univ. Wisconsin Explanation: The Spitzer Space Telescope's encompasing infrared view of the plane of our Milky Way Galaxy is hard to appreciate in just one picture. ... The small portion seen here spans nearly 8 degrees, roughly the apparent width of your fist held at arms length, across the galaxy's center . ... Blue specs throughout the picture are individual Milky Way stars. ... NASA Official: Jay Norris. ...