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Rhythms of the sky

Preview the key celestial motions of 2014.
RELATED TOPICS: SOLAR SYSTEM
bob_berman_2009

im Metzner’s Pulse of the Planet is a syndicated radio show that explores nature’s various rhythms. Like beating hearts, fluttering wings, or chirping crickets, the night sky also displays a cadence — many of them actually.

Olden observers noted how stars faithfully rise four minutes earlier per night and how the Sun’s midday height — now so low — follows an annual cycle that doesn’t vary by even a single second. Serious sky-observing cultures like the Maya took it further, basing calendars on beloved patterns like the reliable motions of Venus.

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