Earthsky Tonight—July 18,Moon moves past Spica,

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Can you see that the moon is farther from Spica tonight than it was last night? The moon is shifting farther and farthest east, with respect to the stars, each day. The moon always moves toward the east on our sky’s dome. This motion is a translation on our sky’s dome of the moon’s orbit around Earth. You can observe the moon’s orbital motion from one night to the next by watching the moon’s location with respect to ... Full Story