https://www.bbc.com/news/science-environment-48966645

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Image caption Artwork: The Spektr-RG mission is really two telescopes in one. One of the most significant Russian space missions in the post-Soviet era has launched from Baikonur, Kazakhstan. The Spektr-RG telescope is a joint venture with Germany that will map X-rays across the entire sky in unprecedented detail. Researchers say this information will help them trace the large-scale structure of the Universe. The hope is Spektr-RG can provide fresh insights on the accelerating behaviour of cosmic expansion. It should also identify a staggering number of new X-ray sources, such as the colossal black holes that reside at the centre of galaxies. As gas falls into these monsters, the matter is... Full story

13 July

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