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Russia is designing the largest-ever radio telescope, seeking to put it into space beyond the orbit of the moon. The probe, expected to be completed by mid-2020s, will be able to provide the most detailed pictures of the universe. The telescope will be put into the so-called halo orbit – the complex three-dimensional orbit beyond Earth’s natural satellite. The Millimetron (Spektr-M) is expected to boast significantly larger capabilities than its predecessor, the RadioAstron telescope, which was launched into space back in 2011 in cooperation between Russia and foreign space-exploring agencies. RadioAstron, also known as Spektr-R, is one of the largest telescopes ever put into space. Together with ground facilities spread across the globe, it boasts the highest angular resolution of its kind, and is able to produce the most detailed images of the universe.