News

Astronomers find runaway galaxies

25 April 2015 Astronomy Now

Researchers mining data from Virtual Observatory archives found 11 previously unknown compact elliptical galaxies that were isolated from from any galaxy cluster, flung out of their homes at speeds up to 6 million miles per hour to wander the void of intergalactic space.

Book Reviews

Deep-Sky Companions: Southern Gems

24 April 2015 Astronomy Now

Well-known astronomer and writer Stephen James O’Meara has taken James Dunlop’s 19th century opus as the basis for his survey of 120 southern sky objects for the modern astronomer.

News

Cosmic tsunami wakes up comatose galaxies

24 April 2015 Astronomy Now

An international team of astronomers have discovered sleeping galaxies that stopped forming stars in the distant past can be rejuvinated when clusters of galaxies merge, generating a cosmic shock wave that triggers the birth of a new generation of stars.

News

Binary black holes found verging on merging

22 April 2015 Keith Cooper

Twin black holes, so close that they are gravitationally bound and orbiting around one another in the final stages before they merge to form one colossal black hole, have been found in a quasar that existed around 10.3 billion years ago.

Equipment

Sky-Watcher Star Discovery 150P Newtonian

22 April 2015 Steve Ringwood

Steve Ringwood appraises Sky-Watcher’s computerised yet easy-to-use starter ‘scope that features FreedomFind™ dual-encoder technology, allowing you to move the instrument manually or electronically without losing alignment.