HomeNewsAstronomy and SpaceStreams of stars orbiting the Milky Way make clear galaxy’s dark matter

Streams of stars orbiting the Milky Way make clear galaxy’s dark matter



Stellar groupings orbiting within the outskirts of the Milky Way shed new mild on the evolution of our galaxy in addition to the elusive dark matter that surrounds it.

Scientists from the Carnegie Institution for Science mapped a dozen associations of stars that orbit inside the gaseous halo that envelopes our galaxy, the Milky Way. The stars type elongated threads, referred to as stellar streams, which arc across the host galaxy’s edges. Studying these stellar buildings helps astronomers higher perceive the distribution of dark matter in our galaxy and retrace how the galaxy grew over time by devouring smaller teams of stars.



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