[ad_1] Astronomers and sky observers have known for decades Cygnus X-1, a binary system formed by a stellar mass black hole and a blue supergiant star in orbit around it. away from …
Read More »Matter surrounding a black hole revealed in the x-ray
A nightmarish storm in Poznan and the surrounding area. The road broke under the car
[ad_1] Tram lines blocked, cars "stuck" under viaducts, roads and sidewalks flooded – these are just a few of the effects of the downpour that took place today in Poznan and the …
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