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News for Norther Colorado and the world

Friday, September 19, 2014

Posts Tagged ‘galaxy’

Astronomy Picture of the Day

Astronomy Picture of the Day

Visit the NASA/JPL website to view more Astronomy Pictures of the Day     Six Worlds for Kepler-11 Illustration Credit: Tim Pyle, NASA Explanation: Six worlds orbit Kepler-11, a sunlike star 2,000 light-years distant in the constellation Cygnus. The new discovery, based on data from NASA's planet hunting Kepler spacecraft, makes the Kepler-11 system the fullest exoplanetary system known. Compared to our Solar System in this illustration, five of Kepler-11's planets orbit ... Full Story

Sky Tonight—January 17, Sun moves toward star Vega

Sky Tonight—January 17, Sun moves toward star Vega in journey around galaxy

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at 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 the sun ... Full Story

Sky Tonight—January 11,Two stars flag sun’s path

Sky Tonight—January 11,Two stars flag sun’s path through Milky Way

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org You can use the brilliant star Sirius – and the star Vega – to imagine the direction our sun and solar system are traveling through space. The sun in its orbit is traveling away from Sirus and toward the star Vega. Although we could not fit them both on one chart, Vega shines over your northwestern horizon, opposite Sirius, at nightfall at this time of year. If you stand outside in early evening with ... Full Story

EarthSky Tonight—Oct 3, Find the Andromeda galaxy

EarthSky Tonight—Oct 3,  Find the Andromeda galaxy on dark autumn nights

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Find the Andromeda galaxy on these dark autumn nights. The large square pattern on today’s chart is the Great Square in the constellation Pegasus. The constellation Andromeda can be seen as two streams of stars extending from one side of the Square, beginning at the star Alpheratz. I learned to find the Andromeda galaxy by star-hopping from the Great Square to the two stars marked here – first Mirach, then Mu ... Full Story

EarthSky Tonight—Oct 2, Jupiter is a guide to Great

EarthSky Tonight—Oct 2,  Jupiter is a guide to Great Square

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org A fixture of the autumn night sky, the Great Square of Pegasus appears to the upper left of the blazing planet Jupiter at early evening. For some idea of the Great Square’s size, extend your hand an arm length from your eye. These stars are far enough apart so that the width of your hand should slip in between any two Great Square stars. By the way, if you are a baseball fan, you might imagine these four stars as a celestial ... Full Story

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

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