Friday, May 20, 2011

Scientists: observed a "horn" of galaxies

Keyword: "tentacles" of galaxies

Scientists have discovered that two galaxies NGC 4038 respectively and NGC 4039 galaxies, in hundreds of millions of years ago began to merge, in the night sky in a most impressive picture. World Science report

According to the daily scientific network on May 12, reported that recently NASA and European Space Council of scientists using the Hubble Space Telescope observations to rare two long "tentacles" of galaxies, and found they were merged. Scientists are using advanced astronomy cameras record the two galaxies merge of the spectacular scenes. According to the scientists estimate that the two merging Galaxy distance than previously thought, closer to 65 million light years from to 45 million light-years.

According to reports, both having the "tentacles" of galaxies is currently the known between the nearest galaxies, galaxies NGC 4038 respectively and galaxy NGC 4039. Scientists discover them through studies in hundreds of millions of years ago began to merge, and in the universe demonstrated incomparable spectacular sight. Scientists think they are galaxies merge most original, most typical model is to prove that Galaxy Evolution theory, an important reference. World Science report

Scientists have observed this spectacular very occasionally, at the European Southern Observatory NASA's Eva-Venn Professor-led international research team is using Hubble second-generation shooting wide angle planetary observation camera to one long tentacles of giant planets in the Galaxy collision phenomena. They stumbled upon an amazing phenomenon, it is this movement of the Galaxy's horn is very peculiar. Scientists have measured the galaxies in red color and brightness of the star, find the distance between two galaxies from precise estimation of 65 million light years to 45 million light-years, this proves that the two galaxies are slowly "touch". So research group locks the two galaxies, scientists have access to more accurate distance after confirmation, the two long antennae galaxies are in the process of merging.

Scientists believe that these two long "tentacles" of galaxies merge is to study the galaxies merge the best examples, these observations can be used as a reference for theoretical research model. But scientists also believe that long "tentacles" of galaxies is between two galaxies crash results. Study on the characteristics of their tentacles can provide us with some forecasts – in the future of millions of years, the milky way and our neighbors nymphs galaxies after impact between what scientists said although galaxies? merged now seems very complicated, but scientists believe that this is an important evolution of galaxies.

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