NASA uses a system of ground-based radio antennas to communicate with dozens of active spacecraft and study celestial bodies.
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How does NASA use radio waves to study celestial objects?
VnExpress•09/08/2023NASA uses a system of ground-based radio antennas to communicate with dozens of active spacecraft and study celestial bodies.
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![[Photo] Binh Trieu 1 Bridge has been completed, raised by 1.1m, and will open to traffic at the end of November.](https://vphoto.vietnam.vn/thumb/1200x675/vietnam/resource/IMAGE/2025/10/2/a6549e2a3b5848a1ba76a1ded6141fae)
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![[Infographic] Series of activities to celebrate the 50th anniversary of Southern Liberation and National Reunification Day](https://vphoto.vietnam.vn/thumb/402x226/vietnam/resource/IMAGE/2025/4/21/47dbbbcc1b264b258e3d77c26b034a65)
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