1 entry tagged space. All writing.
TECHNOLOGY · SEPTEMBER 12, 2026 Eight Years to Mercury, and One Chance to Stop On 3 September the BepiColombo spacecraft, two hundred million kilometres from Earth, let go of the engine that carried it for eight years and 9.9 billion kilometres. On 21 November it has to stop at Mercury, the hardest planet in the solar system to arrive at, using a sequence it will run on its own because the radio round-trip is too long to help. A 2024 power fault already cost it eleven months. This is what it is for, why the arrival is so hard, and what the last flyby found on the way in.