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Story summary
- China achieved two-way laser communication between Earth and the Moon.
- The system downlinked at 100 Mbps and uplinked at 1.25 Mbps.
- NASA’s 2013 lunar test reached 622 Mbps download and 20 Mbps upload.
- Yunnan telescopes and a 2024 experimental satellite enabled the test after a mishap.
- Jonathan McDowell said China has not yet matched U.S. rates.
