A monster in deep space

On 23 July 1999, Space Shuttle Columbia launched its heaviest-ever payload: the Chandra X-ray Observatory, a new flagship telescope for NASA. It is the world’s most powerful X-ray telescope, capable o

Galaxies come in all sorts of shapes and sizes. They can be broadly classified as spiral, elliptical or irregular, but each of these still leaves plenty of scope for variety. Take, for instance, the s

New model suggests Hawking radiation is speeding cosmic decay Scientists have long predicted that the Universe’s lifetime is effectively forever – specifically, 101100 years. But now scientists from R

Stephenson 1 is a cluster that deserves to be better known. Delta (δ) Lyrae is a very wide (10-arcminute) and bright (mag. +4.3 and + 5.6) double star with a stunning colour contrast. It’s not a true

1 Jul 00:00 AEST (30 Jun, 14:00 UT) 15 Jul 23:00 AEST (13:00 UT) 31 Jul 22:00 AEST (12:00 UT) The chart accurately matches the sky on the dates and times shown for Sydney, Australia. The sky is differ

The world’s biggest digital camera telescope has started ...