The black hole of the centre of our galaxy is much closer, so it looks bigger in the sky. But there were other technical challenges that made it much more difficult to image. Images produced hade been produced by averaging many, many thousands of images taken from all these telescopes over a long period time. Those telescopes combine, churned out a mass of five petabaits worth of data - enough to fill around 20 thousand lap tops.
Neither Finland nor
Sweden ever joined NATO, the Western military alliance formed in 1949: Finland for pragmatic reasons and Sweden for ideological ones. But Russia’s invasion of Ukraine has prompted both to change course.
Facebook’s appeal is waning – to both users and investors. And for the first time, a telescope has captured images of the
black hole at the centre of our galaxy. For full access to print, digital and audio editions of
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