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2017 YZ1Tài liệu tham khảo
WikiPedia: 2017_YZ1 http://icarus.astro.umd.edu/features/case-study.sh... https://www.asteroidsnear.com/asteroid-2017-yz1-43... https://newton.spacedys.com/neodys/index.php?n=201... https://newton.spacedys.com/neodys/index.php?n=201... https://newton.spacedys.com/neodys/index.php?n=201... https://newton.spacedys.com/neodys/index.php?n=201... https://newton.spacedys.com/neodys/index.php?n=201... https://newton.spacedys.com/neodys/index.php?n=201... https://newton.spacedys.com/neodys/index.php?n=201... https://newton.spacedys.com/neodys/index.php?n=201...