Still Waters Posted October 15, 2021 #1 Share Posted October 15, 2021 (IP: Staff) · Mysterious structures in the sky that have puzzled astronomers for decades might finally have an explanation – and it's quite something. The North Polar Spur and the Fan Region, on opposite sides of the sky, may be connected by a vast system of magnetized filaments. These form a structure resembling a tunnel that circles the Solar System, and many nearby stars besides. "If we were to look up in the sky," said astronomer Jennifer West of the University of Toronto in Canada, "we would see this tunnel-like structure in just about every direction we looked – that is, if we had eyes that could see radio light." We've known about the two structures for quite some time – since the 1960s, in fact – but they have been difficult to understand. That's because it's really hard to work out exactly how far away they are; distances have ranged from hundreds to thousands of light-years away. https://www.sciencealert.com/earth-may-be-surrounded-by-a-giant-magnetic-tunnel https://arxiv.org/abs/2109.14720 3 2 1 Top Link to comment Share on other sites More sharing options...
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