‘I’m being followed by a Moon shadow…’
(Headline: Lyric from "Moon Shadow," written and sung by Cat Stevens, 1971) It's Aug. 21, 2017, and much of the Western Hemisphere is glued to TVs, the sky, and computer screens. Let's meet our players for the afternoon's drama. First there's the sun, the fiery provider of heat and light to our precious planet. Our own personal star is hurtling through the cosmos at a relative speed of about 45,000 miles per hour. The second participant is our faithful satellite, the moon. At a distance of about 240,000 miles from its mother…
