IN NUMBERS

37 YEARS

The time that NASA’s Voyager 1 probe’s thrusters lay dormant before being briefly fired up in November.

13.1 BILLION LIGHT-YEARS

The distance from Earth of ULAS J1342+0928, a quasar containing a supermassive black hole 800 million times the mass of the Sun. It’s the most distant object of its type ever detected.

3,239

The height in metres of the UK’s tallest mountain, Antarctica’s Mount Hope.