Ultraviolet Stars Identified in the Globular Cluster NGC 2808

  • The Indian multi-wavelength space observatory AstroSat, launched in September 2015, continues to yield exciting results.
  • Using this observatory, astronomers from Thiruvananthapuram and Mumbai have identified a new population of ultraviolet stars in the globular cluster NGC 2808.

Global Clusters

  • Globular clusters are collections of thousands to millions of stars, moving as one unit.
  • These stars are tightly held together by gravity of the cluster itself, and are believed to have formed together at roughly the same time.
  • Some globular clusters could be among the oldest objects in our Milky Way, which hosts over 150 of them.

Why are they studied?

  • A ....

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