EarthSky News - Dec 28 - What is the Zodiac?

December 28 What is the Zodiac? by:

What is the zodiac? You might associate the word zodiac with astrology, but it has an honored place in astronomy, too. It's defined by the annual path of the sun across our sky. Earthquakes in Nevada this morning The U.S. state of Nevada experienced several moderately strong earthquakes and multiple aftershocks, beginning just after midnight local time Wednesday morning. Tonight … See a star that changes its brightness Sheliak is a variable star in the constellation Lyra the Harp. Sun in zodiac constellations, 2017 Dates of sun's entry into each zodiacal constellation and the corresponding ecliptic longitude (sun's position in degrees, east of the March equinox point), for the year 2017. Sun's entry into zodiac signs, 2017 Astrology and astronomy are different systems. In some systems of astrology, signs of the zodiac remain fixed relative to seasonal markers, such as the equinox and solstice points on the sky's dome.

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Venus and a cloud shadow Another sunset spectacle from Peter Lowenstein's hilltop perch above Mutare, Zimbabwe. Do you see Venus? Click in to view larger.

Earthquakes in Nevada this morning The Nevada earthquakes today took place in a sparsely populated area. Still, many reported the shaking. Submit your photo to EarthSky here!

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