Figure 22-9: R I V U X G
Star Orbits in the Milky Way The different populations of stars in our Galaxy travel along different sorts of orbits. The galaxy in this visible-light image is the Milky Way’s near-twin NGC 7331, the same galaxy shown at infrared wavelengths in Figure 22-8.
Star Orbits in the Milky Way The different populations of stars in our Galaxy travel along different sorts of orbits. The galaxy in this visible-light image is the Milky Way’s near-twin NGC 7331, the same galaxy shown at infrared wavelengths in Figure 22-8.
(Russell Croman/Science Source)