European southern observatory in 1984, located in Chile, south of the desert concern and deployed in Germany

Telescopes to take their clusters

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What VLT telescope (box) cluster photos

Beijing time on November 2, according to the daily news website reported that "science European southern observatory and NASA three different telescopes are photographed in recent flashier bunch of" box "dazzle beautiful pictures. Cluster

Beautiful huan of United States annulus clusters

Refers to the number of star cluster and more than 10 each physical contact between gravity) (constellation. The most beautiful cluster is in space, the landscape is gorgeous astrophysical most glamorous exploration target. One of the most spectacular is located in the southern sky clusters of galaxies, the southern cross around the block, zhongnan cross high brightness, naked eye can see, often called the southern cross seat κ clusters (KappaCrucisCluster), or is NGC4755. It has a more beautiful name "box", Britain's cluster astronomer John herschel endowed. Because herschel in telescope observations of shallow blue and orange in clusters of stars emit light bright colors, which makes him couldn't help but think of the sparkling jewels.

Box contains more than 100 star cluster, age is not more than 1 million light-years away from us, 75, is representative of the evacuation clusters. Evacuation clusters with relatively young stars in general, and quantity is less, from ten to thousands of stars, mostly because of gravitation, blue and together, but loose and irregular shape structure. They are mainly distributed in silver, so called tao galactic clusters. Because the stars are cluster in the same gas and dust cloud formation in the age, so they are closer and chemical composition, make it become the ideal laboratory research stellar evolution.

From the "digital sky" (2 SkySurvey2 Digitized detection software rendering can clear vision chart, the silver in their clusters of stars and southern dust cloud. Map of the southern cross also includes a star and huge coal bag of dark cloud.

Three pictures, distinctive from different angles of flowery shows the beauty of their clusters.

1 wide-angle view photos (WFI) sounds more capacious

European southern observatory in 1984, located in Chile, south of the desert concern and deployed in Germany, tasching on the Max Planck - 2.2 meters diameter telescope. The telescope wide-angle camera (WFI) of the latest photos showed clear box around the colourful clusters and the magnificent scene. The broad vision that sounds wide-angle photos in large Numbers of stars. Many stars in the Milky Way is located behind the dust cloud, a red light.

2 what VLT telescope (photo) higher resolution

Very big telescope (VeryLargeTelescope, abbreviation for VLT) is the European southern observatory in Chile built another large-scale optical telescopes, known as "the universe is clairvoyant", its FORS1 instruments can be more closely observed their clusters. Telescope 21,665 super-large diameter of lens and precision of the imaging technology in 5 seconds exposure time filming brand-new high-definition pictures. The latest photo shoot is on earth the best picture box clusters.

3 the Hubble space telescope (photo) more detailed information HST

Earth to take the box to colourful clusters of photographs, but the Hubble space telescope observations in space, can capture the telescope on earth could not see the shortwave light. In the Hubble space telescope images captured on the latest, bright red star cluster center, and the southern cross κ seats around the blue stars form bright contrast, this helps scientists first from the evacuation clusters near infrared image seen many far ultraviolet ray. This photo by seven filter photo synthesis and map out, allowing researchers to see the unprecedented detail information. At the same time, it also Harper telescope "wide-field camera 2" (WideFieldPlanetaryCamera2) at the end of a long before the mission. "Wide-field camera 2" is always the important photographic studio Hubble, until recently removed repair mission was sent to earth.

Clusters of stars in different colors in different brightness

These three pictures can see there are a few very bright light blue ChaoJuXing, a single ChaoJuXing ruby colour with many bright color, and more stars dim stars opposite. Many stars charm of colour is due to its different wavelength and ultraviolet radiation caused by different density.

Clusters of stars also exist significant differences. Brightness Because the quality is high brightness stars of the 15 to 20 times, and dark stars may not half of the quality of the sun. The quality of the stars, and higher brightness growth rate is faster than low quality dim stars partner ChaoJuXing became faster.
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