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News for Norther Colorado and the world

Friday, October 31, 2014

Posts Tagged ‘red and green’

EarthSky Tonight—Oct. 6, Golden Capella sparkles red

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org At this time of year, the star in the northeast at around 9 p.m. is Capella in the constellation Auriga. Every year around this time, we get questions from people who see this star twinkling with red and green flashes when it is low in the sky. On October 12, we talk about Arcturus, the brilliant star in the western evening sky. When Arcturus looms low or sets in the west, that is the time to look for Capella in your ... Full Story

EarthSky Tonight—Sept. 30, What bright star flashes

EarthSky Tonight—Sept. 30, What bright star flashes red and green in northeast?

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Every year in late September and early October, we get questions from people who see a bright star twinkling with red and green flashes, low in the northeastern sky. Capella is a golden star when seen higher up in the sky. If you could travel to it in space, you’d find that it’s actually two golden stars, both with roughly the same surface temperature as our local star, the sun . . . but both larger and brighter than the ... Full Story

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