Tag: spiral
Dark matter: spiral galaxies suggest a mysterious interaction with ordinary matter
the standard cosmological model can boast of many successes. It is based on the existence in the equations ofEinstein of a constant called lambda (Λ) in ancient Greek and which…
Milky Way: Gaia would have revealed fossil spiral arms!
Astronomers continue to analyze data collected by the Gaia astrometric mission concerning nearly two billion stars in the Milky Way. They revealed curious structures that could be the fossil remains…