Lithium Abundance in Interstellar Space & Red Giants

  • Researchers at the Indian Institute of Astrophysics (IIA), have discovered hundreds of Li-rich giant stars indicating that Li is being produced in the stars and accounts for its abundance in the interstellar medium. They have also associated such Li enhancement with central He-burning stars, also known as red clump giants.
  • Lithium (Li), is one of the three primordial elements, apart from Hydrogen and Helium (He), produced in the big bang nucleosynthesis (BBN).
  • Importantly, they showed for the first time that the Li enhancement in giants is associated only with central He-burning stars, which are also known as red clump giants.
  • This ....
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