The Quadrantids are unusual in that they originate not from a comet but from an asteroidSee in the new year with the Quadrantids meteor shower. Although the peak of the shower does not arrive until the night of 3-4 January, meteor activity can stretch for a couple of weeks around this point, lasting until 10 January. The peak of the Quadrantids can be spectacular but quick, lasting just a few...
Defeating the climate crisis is just the beginning of the struggle – and tough political choices will have to be madeWill 2019 be remembered as the year in which climate change denial was defeated? The global climate strike, Greta Thunberg’s meteoric rise to international prominence, as well as several high-profile international conferences and reports – all contributed in putting climate...
It’s feasible to flood space with flotillas of small satellites – but do we really want to?Changing economics and advancing miniaturisation now enable flotillas of small satellites to be launched into space – up to a hundred on a single rocket. These microsatellites are already being deployed, by companies such as Planet Lab in California, to survey every point on the Earth every day, with...