**Annotation category:**

Chapter 1

Note: |

Now we have 0.06m representing the Sun, 1.4 x 10^{9} m across, so

0.06m/1.4 x 10^{9} m = X / 4.3 x 10^{16} m and X, the distance to the nearest star, is

1.8 x 10^{6}m or 1800 km (= 1100 miles), so the nearest star would be a little
west of Des Moines on the map given.