Scientists Discover Two Most Distant Stars Ever Detected in Milky Way Galaxy

image_2070-Milky-Way-Galaxy

 

A team of astronomers using the Red Channel spectrograph at the MMT Observatory on Mt. Hopkins in Arizona has discovered the most distant Milky Way stars known to date – ULAS J001535.72+015549.6 and ULAS J074417.48+253233.0. These cool red giants are extremely far away, at distances of 775,000 and 900,000 light years, respectively.

The distant outskirts of our Milky Way Galaxy harbor valuable clues for understanding the formation and evolution of the Galaxy.

Yet, due to overwhelming distances and an extremely sparse population of stars, many objects have not been identified beyond 400,000 light years, with only seven stars known to date beyond this limit.

The team led by Prof John Bochanski of Haverford College has now discovered two stars in the Milky Way’s outer halo that are the most distant ever discovered in our Galaxy.

http://www.sci-news.com/astronomy/science-two-most-distant-stars-milky-way-galaxy-02070.html

 

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