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Astronomers identified the most distant stars still belonging to our own galaxy. The variable RR Lyrae stars have a unique pulsating period related to its brightness which allows scientists to determine their distance. It was found to be 1,2 million light years away - almost half distance to our neighboring big galaxy - Andromeda.
Astronomers detected evidence of extragalactic structure hidden behind the core of the Milky Way when looking from Earth. The region is known as a Zone of Avoidance and it’s largely unexplored due to dust and stars in our own galactic center. The structure consists of 5 galaxies analyzed in new scientific study and probably holds much more.