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Searching for maser emissions in the Sagittarius stellar stream

Maser emissions, or "cosmic lasers," are produced by amplification of stimulated emissions in the interstellar and circumstellar medium. Bright and compact maser sources are ideal targets for high-accuracy astrometry in the study of the Milky Way's kinematics. A team from the Chinese Academy of Sciences'...

The recent collision in our galaxy

Modern cosmology describes how galaxies evolve. We have to collide and merge it with other systems. In our own Milky Way, we have a clearer view of this build up. The Sagittarius dwarf galaxy is our neighbour and is recently being tidally disrupted. The...