(The Gist of PIB) Lithium in space  [MAY-2020]

(The Gist of PIB) Lithium in space


 Lithium in space

  • Researchers at the Indian Institute of Astrophysics (IIA), an autonomous institute under the Department of Science and Technology 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, thereby opening up new vistas in the evolution of the red giant stars.
  • This is an important discovery that will help to eliminate many proposed theories such as planet engulfment or nucleosynthesis during the red giant evolution in which helium at the center is not burning. 


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