The chart shows the sky at the start of December. The positions of the stars on other nights can be found from previous charts (our last appeared on November 3) for they rise two hours earlier each month.
SIM card maker Gemalto has confirmed that its network was hacked – probably by the NSA and GCHQ – but said the breach could not have resulted in a massive theft of encryption keys.
Google’s self-driving cars have made impressive progress in the past few years, logging over 700,000 accident-free miles without human intervention, according to the company (there has been at least one accident reportedly caused by a human driver).