Page 6: Research news on Milky Way Galaxy

The Milky Way Galaxy as a research area encompasses the observational and theoretical study of the structure, dynamics, composition, and evolution of our home galaxy as an astrophysical system. It integrates stellar populations, interstellar medium phases, dark matter halo properties, star formation processes, central supermassive black hole activity, and Galactic chemical evolution. Research focuses on mapping its spiral structure, bar and bulge morphology, disk thickening, satellite interactions, and accretion history using multiwavelength surveys, astrometry, spectroscopy, and numerical simulations. This area provides a detailed laboratory for testing models of galaxy formation and evolution under ΛCDM cosmology, leveraging precise distance scales and resolved stellar populations unique to the Milky Way.

Pulsar timing hints at a nearby dark matter 'sub-halo'

A group of US astronomers may have uncovered the first evidence for a dark matter sub-halo lurking just beyond our stellar neighborhood. Reporting their findings in Physical Review Letters, a team led by Sukanya Chakrabarti ...

Dark matter, not a black hole, could power Milky Way's heart

Our Milky Way galaxy may not have a supermassive black hole at its center but rather an enormous clump of mysterious dark matter exerting the same gravitational influence, astronomers say. They believe this invisible substance—which ...

The Rubin Observatory will rapidly detect more supernovae

In our galaxy, a supernova explodes about once or twice each century. But historical astronomical records show that the last Milky Way core-collapse supernova seen by humans was about 1,000 years ago. That means we've missed ...

page 6 from 18