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News for Norther Colorado and the world

Monday, July 28, 2014

Posts Tagged ‘orbit’

Sky Tonight—March 25, The westward shift of Orion

Sky Tonight—March 25, The westward shift of Orion and all the stars

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org We got this question: Orion seems to have moved and turned considerably in the last two weeks. Will Orion disappear before summer? The answer is that all the stars and constellations shift westward as the seasons pass . . . and they also move westward in the course of a single night. Orion is no exception. Exactly when Orion will disappear from the evening sky – into the sunset – depends on your ... Full Story

Astronomy Picture of the Day

Astronomy Picture of the Day

  Discovery in Twilight Image Credit & Copyright: Tamas Ladanyi (TWAN) Explanation: As evening twilight faded on March 7, sky gazers around planet Earth enjoyed a beautiful pairing of young crescent Moon and brilliant planet Jupiter. Along with stars setting in the west, the two bright celestial beacons, Moon above and Jupiter below, leave short trails in this well-planned time exposure, a composite of 54 individual frames each 4 seconds long. On its final flight, the Space ... Full Story

Sky Tonight—January 2, Earth’s closest

Sky Tonight—January 2, Earth’s closest approach to the sun in 2011

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org When 2011 began on January 1, our planet Earth was very close to its perihelion – its closest point to the sun for the year. That closest point will come tomorrow. In 2011, Earth will be closest to the sun on Monday, January 3 at 19 hours Universal Time (12 p.m. Mountain Time). How do I translate Universal Time to my time? Earth is closest to the sun every year in early January, when it is winter ... Full Story

EarthSky Tonight—September 19, Venus brightest for

EarthSky Tonight—September 19, Venus brightest for 2010

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Comet Hartley 2 might brighten to binocular object by late September 2010 Venus is the brightest planet and it is brightest this week in the evening for all of 2010. Look outside shortly after sunset and you cannot miss Venus. It is an eerie light low in the southwestern sky. Venus’ brightness will surprise you if you have never noticed it before. It is so bright that, around now, many people will report Venus as a ... Full Story

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