January 2010
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News for Norther Colorado and the world

Thursday, July 31, 2014

Archive for January 3, 2010

Earthsky Tonight – Jan 4, 2010: Sun moves toward

Earthsky Tonight – Jan 4, 2010: Sun moves toward star Vega

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org An Australia visitor wrote, I seek to find out what speed our sun is traveling at and also how many years does it take to circumnavigate the galaxy? Our Milky Way galaxy is a collection of several hundred billion stars. It has an estimated diameter of 100,000 light-years. Our sun does indeed circumnavigate the Milky Way galaxy. In space, everything moves. There are various estimates for the speed ... Full Story

Earthsky Tonight – Latest sunrises for northern

Earthsky Tonight – Latest sunrises for northern hemisphere

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org If you like to sleep late but don’t want to miss the sunrise, this time of year should be your favorite. The latest sunrises of the year for mid-latitudes in the northern hemisphere are happening around now and will continue for another week. For those in Wichita, Kansas for example, the sunrise time for the next 8 mornings is at 7:44 a.m. Sleep on! The December solstice always brings the shortest day. But ... Full Story

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