NASA Telescope Discover 'Giant Necklace' Nebula
16 Agustus 2011
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WASHINGTON - The Hubble Space Telescope NASA's managed to capture stunning images of nebulae giant necklace (Necklace Nebula), which is 15 thousand light years from the constellation Sagitta.
Nebula was formed when a giant necklace of stars similar to the sun started to 'dying' and issued their hydrogen content. Outer layers of the stars were then enlarged and has cooler temperatures, thus creating a layer of gas and dust is very large.
Radiation that comes out of dying stars that then ionize this layer thus making it shine, so as reported by Live Science, Monday (15/08/2011).
Necklace Nebula formed from a large ring that has a width of approximately 19 trillion kilometers. Collection of glowing gas around the ring showing a similar shape to the necklace stone jewelry.
Necklace nebula, known as PN G054.2-03.4, was produced by the two stars that have orbits close distance. Approximately 10 thousand years ago, one of the stars grow old to swallow a nearby star.
Although swallowed, smaller stars orbiting it has remained in 'his' larger, thereby increasing the level of the star rotation.
The result, the enlarged star was spinning so fast that the majority of its gas layer extends in space. Due to centrifugal force, most of the gas that seeps in around the equator of the star and produce the ring formation.
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