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Updated: May 27, 2010 21:41 IST

New star forming regions found in Milky Way

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This undated hand out artist rendering provided by the Harvard-Smithsonian Center for Astrophysics shows the latest view of the Milky Way's structure. The star-forming H II regions are sites where hydrogen atoms are stripped of their electrons by intense radiation from young stars.
AP
This undated hand out artist rendering provided by the Harvard-Smithsonian Center for Astrophysics shows the latest view of the Milky Way's structure. The star-forming H II regions are sites where hydrogen atoms are stripped of their electrons by intense radiation from young stars.

Astronomers have discovered a large number of previously unknown regions in the Milky Way where massive stars are being formed.

The star-forming H II regions are sites where hydrogen atoms are stripped of their electrons by intense radiation from young stars.

With the helo of infrared and radio telescopes Spitzer Space, the researchers traced these regions which remain hidden due to gas and dust clouds around the Milky Way, NASA’s Jet Propulsion Laboratory (JPL) said Wednesday.

“We found our targets by using the results of infrared surveys done with NASA’s Spitzer Space Telescope and of surveys done with the National Science Foundation’s Very Large Array radio telescope,” said astronomer Loren Anderson who worked on the project.

“Objects that appear bright in both the Spitzer and Very Large Array images we studied are good candidates for H II regions.” Loren Anderson added.

Through further analysis, the astronomers also determined the locations of the H II regions, discovering concentrations of the regions at the end of the galaxy’s central bar and in its spiral arms, according to Xinhua.

Their analysis also showed that 25 of the regions are farther from the galaxy’s centre than the sun, according to the JPL.



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