Astronomers have discovered a mysterious and massive stellar halo surrounding the Andromeda galaxy - an enormous spiral galaxy located approximately 2.5 million light-years away from Earth. This stellar halo, dubbed the “Ark,” is made up of hundreds of thousands of ancient stars and stretches nearly three times farther than the galaxy’s iconic spiral arms. This discovery provides astronomers with an unprecedented opportunity to study the origin and evolution of one of the most famous galaxies in the sky.

Astronomers have recently discovered an incredible new feature of the Andromeda galaxy: an enormous stellar halo, or “Ark,” that stretches far beyond the galaxy’s iconic spiral arms. This halo is made up of hundreds of thousands of ancient stars, providing astronomers with an unprecedented opportunity to study the origin and evolution of one of the most famous galaxies in the sky. This discovery is sure to spark new discoveries and further our understanding of our cosmic neighborhood.

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source: Phys.org