Astronomy | Geophysics homework help
1. Matching: How do astronomers determine the physical characteristics of stars? Match each characteristic of stars with an important technique that astronomers use to determine that characteristic. Refer to Table 18.2 and page 660 in Chapter 19 when answering this question. Each answer will be used once. How do Astronomers determine the … of a star? Technique Surface temperature Radial Velocity […]