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News for Norther Colorado and the world

Tuesday, July 22, 2014

Archive for August 22, 2010

EarthSky Tonight—August 23, Venus points way to

EarthSky Tonight—August 23, Venus points way to fainter Mars

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org How soon can you spot Venus above the western horizon as the sun sets? From the northern hemisphere, the ecliptic – the line in the sky that marks the path of the sun, as well as its attendant planets – makes a shallow angle with the horizon. The slant of the ecliptic is more perpendicular to the horizon in the southern hemisphere, making Venus stand tall during twilight. Shining at magnitude -4.4, Venus easily pierces ... Full Story

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