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•10/08/2023NASA uses a system of ground-based radio antennas to communicate with dozens of active spacecraft and study celestial bodies.
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![[Photo] Prime Minister Pham Minh Chinh chairs the Government's online conference with localities](https://vphoto.vietnam.vn/thumb/1200x675/vietnam/resource/IMAGE/2025/10/5/264793cfb4404c63a701d235ff43e1bd)
![[Photo] Prime Minister Pham Minh Chinh launched a peak emulation campaign to achieve achievements in celebration of the 14th National Party Congress](https://vphoto.vietnam.vn/thumb/1200x675/vietnam/resource/IMAGE/2025/10/5/8869ec5cdbc740f58fbf2ae73f065076)
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Western tourists enjoy buying Mid-Autumn Festival toys on Hang Ma Street to give to their children and grandchildren.
Hang Ma Street is brilliant with Mid-Autumn colors, young people are excitedly checking in non-stop
Historical message: Vinh Nghiem Pagoda woodblocks - documentary heritage of humanity
Admiring Gia Lai coastal wind power fields hidden in the clouds
![[VIDEO] Summary of Petrovietnam's 50th Anniversary Ceremony](https://vphoto.vietnam.vn/thumb/402x226/vietnam/resource/IMAGE/2025/10/4/abe133bdb8114793a16d4fe3e5bd0f12)
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