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“Milky Way”

Black hole jets reach far beyond galaxies' visible edges, potentially deciding their fate

Galaxies are enormous and hold hundreds of billions of stars. These stars form from cold, dense gas. Every large galaxy, including the Milky Way, is wrapped in a huge envelope of gas called the circumgalactic medium, or CGM. This reservoir of raw material stretches 10–20 times th

Phys.org - latest science and technology news stories · 2026年9月26日 21:00

科学与环境

First stellar stream beyond the Milky Way could reveal dark matter

Astronomers have discovered the first globular cluster stellar stream beyond the Milky Way, opening a new way to study dark matter in distant galaxies. These faint trails of stars trace a galaxy’s gravitational structure and could eventually help scientists map invisible matter a

All Top News -- ScienceDaily · 2026年9月23日 11:23