Astronomers claim that their new findings showcase that the hierarchical theory of galaxy formation aligns even for small ...

ABSTRACT From images taken with the Hubble Space Telescope's WFPC2, we have obtained photometry of a field in the Sculptor dwarf spheroidal galaxy to 3 mag below the main‐sequence turnoff. We ...

Scientists have investigated the properties of globular clusters (GCs) to identify those belonging to the tidal stream of the Sagittarius dwarf spheroidal galaxy (Sgr dSph), a satellite galaxy to ...

ESO/Digitized Sky Survey 2. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any ...

and its compatriots orbiting our neighbor galaxy, Andromeda, could change how we think about cosmic evolution. That's because dwarf galaxies this small should have been destroyed in the hotter and ...

a dwarf spheroidal galaxy in the constellation Sextans the Sextant. And it’s a tough catch. You’ll find this faint target 1.8° southeast of magnitude 4.5 Alpha (α) Sextantis. Astronomers ...