For the first time, astronomers have detected the presence of arsenic and selenium, neighboring elements near the middle of the periodic table, in an ancient star in the faint stellar halo that surrounds the Milky Way. Arsenic and selenium are elements at the transition from light to heavy element production, and have not been found in old stars until now.

BING NEWS:
  • Old star, new trick: Astronomers have detected arsenic and selenium in ancient star for first time
    For the first time, astronomers have detected the presence of arsenic and selenium, neighboring elements near the middle of the periodic table, in an ancient star in the faint stellar halo that surrounds the Milky Way. Arsenic and selenium are elements at ...
    04/30/2012 - 4:33 am | View Link
  • Old star, new trick
    Now for the first time, astronomers have detected the presence of arsenic and selenium, neighboring elements near the middle of the periodic table, in an ancient star in the faint stellar halo that surrounds the Milky Way. Arsenic and selenium are elements ...
    04/29/2012 - 1:00 pm | View Link
  • Old Star, New Trick
    Now for the first time, astronomers have detected the presence of arsenic and selenium, neighboring elements near the middle of the periodic table, in an ancient star in the faint stellar halo that surrounds the Milky Way. Arsenic and selenium are elements ...
    04/29/2012 - 1:00 pm | View Link
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  • Old star, new trick | EurekAlert! Science News
    ... astronomers have detected the presence of ... in an ancient star in the faint stellar ... astronomers have detected the presence of arsenic and selenium, ...
    12/4/2016 - 2:09 pm | View Website
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    11/27/2016 - 8:30 pm | View Website
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    11/16/2016 - 9:09 am | View Website
  • Old Star, New Trick | The Carnegie Observatories
    Old Star, New Trick. by cburns ... astronomers have detected the presence of arsenic and selenium, ... in an ancient star in the faint stellar halo that surrounds ...
    11/2/2016 - 8:31 am | View Website
  • Old Star, New Trick | Carnegie Institution for Science
    ... astronomers have detected the presence of arsenic and selenium, ... Old Star, New Trick . Old Star, ... in an ancient star in the faint stellar halo that ...
    10/18/2016 - 4:17 am | View Website
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