News

Hubble’s Andromeda Galaxy survey unlocks clues to star birth

5 September 2015 Astronomy Now

In a Hubble Space Telescope survey of 2,753 young, blue star clusters in the neighbouring Andromeda Galaxy (M31), astronomers have found that M31 and our own galaxy have a similar percentage of newborn stars based on mass. The intensive survey was a unique collaboration between astronomers and “citizen scientists,” volunteers who provided invaluable help in analysing the mountain of data from Hubble.

Observing

See the return of the Andromeda Galaxy

15 August 2015 Ade Ashford

Are you looking for something to whet your observing appetite and celebrate the return of late summer dark skies to the British Isles? Why not welcome back the Andromeda Galaxy to the Northern Hemisphere night sky in this observing guide to one of the annual harbingers of autumnal celestial delights.

News

Hubble finds phantom objects near dead quasars

4 April 2015 Astronomy Now

The NASA/ESA Hubble Space Telescope has imaged a set of enigmatic quasar ghosts — ethereal, looped structures glowing green that orbit their host galaxies marking the graves of quasars that flickered to life and then faded. They offer new insights into the turbulent pasts of these galaxies.

News

The Milky Way’s new neighbour

22 December 2014 Astronomy Now

The Local Group of galaxies has just grown in number with the Hubble Space Telescope discovery of KKs 3 — a dwarf spheroidal some 7 million light-years away in the far southern constellation of Hydrus.