Starry surprise in the bulge: encounter of a halo passerby

A team led by Andrea Kunder from the Leibniz Institute for Astrophysics Potsdam (AIP) measured the velocity of a sample of 100 old RR Lyrae stars thought to reside in the Galactic bulge, the central group of stars found in ...

The most metal-poor stars in the galactic bulge found

An international team of astrophysicists has identified the most metal-poor stars in the Milky Way bulge. They present their findings in a paper published on Oct. 2. The scientists describe the discovery and analysis of four ...

The peanut at the heart of our galaxy

Two groups of astronomers have used data from ESO telescopes to make the best three-dimensional map yet of the central parts of the Milky Way. They have found that the inner regions take on a peanut-like, or X-shaped, appearance ...

Hubble spots galaxies in close encounter

(Phys.org) —The NASA/ESA Hubble Space Telescope has produced this vivid image of a pair of interacting galaxies known as Arp 142. When two galaxies stray too close to each other they begin to interact, causing spectacular ...

Astronomy without a telescope - black hole evolution

While only observable by inference, the existence of supermassive black holes (SMBHs) at the centre of most – if not all – galaxies remains a compelling theory supported by a range of indirect observational methods. ...

page 2 from 2