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Coronavirus measures for hosted meetings and visitors

ESA’s exoplanet watcher Cheops reveals unique planetary system

Artist impression of the TOI-178 planetary system

ESA’s exoplanet mission Cheops has revealed a unique planetary system consisting of six exoplanets, five of which are locked in a rare rhythmic dance as they orbit their central star. The sizes and masses of the planets, however, don’t follow such an orderly pattern. This finding challenges current theories of planet formation.

Our world is losing ice at record rate

Earth is losing ice at record rate

A research team – the first to carry out a survey of global ice loss using satellite data – has discovered that the rate at which ice is disappearing across the planet is speeding up. The findings also reveal that 28 trillion tonnes of ice was lost between 1994 and 2017 – equivalent to a sheet of ice 100 metres thick covering the whole of the UK.

Week in images: 18 - 22 January 2021

Discover our week through the lens

Iodine thruster could slow space junk accumulation

Iodine thruster used to change the orbit of a small satellite for the first time ever

For the first time ever, a telecommunications satellite has used an iodine propellant to change its orbit around Earth.

The small but potentially disruptive innovation could help to clear the skies of space junk, by enabling tiny satellites to self-destruct cheaply and easily at the end of their missions, by steering themselves into the atmosphere where they would burn up.

Central NGC 1316: After Galaxies Collide

How did this strange-looking galaxy form?