Tag Archive for 'Tucana II'

This image from the SkyMapper Telescope shows the vicinity of the Tucana II galaxy. Image credit: Anirudh Chiti, MIT.

Huge Dark Matter Halo Spotted around Milky Way’s Dwarf Satellite Galaxy

Feb 2, 2021 by News Staff

Astronomers using with the Australian National University 1.3-m SkyMapper telescope have detected an extended dark matter halo around Tucana II, an ultrafaint...

The distribution of satellite galaxies orbiting a computer-simulated galaxy, as predicted by the Lambda-cold-dark-matter cosmological model. Ultra-faint satellites are amongst the most ancient galaxies in the Universe; they began to form when the Universe was only about 100 million years old. Image credit: Institute for Computational Cosmology, Durham University / Heidelberg Institute for Theoretical Studies / Max Planck Institute for Astrophysics.

Milky Way’s Ultra-Faint Satellites are Some of Universe’s Oldest Galaxies, Astronomers Say

Aug 24, 2018 by News Staff

A team of astronomers from the United States and the United Kingdom has found evidence that Milky Way’s faintest satellites — including dwarf galaxies...