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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People flock to Hanoi, immersing themselves in the heroic atmosphere before National Day.
Suggested locations to watch the parade on National Day September 2
Visit Nha Xa silk village
See beautiful photos taken by flycam by photographer Hoang Le Giang
When young people tell patriotic stories through fashion
More than 8,800 volunteers in the capital are ready to contribute to the A80 festival.
The moment the SU-30MK2 "cuts the wind", air gathers on the back of the wings like white clouds
'Vietnam - Proudly Stepping Forward to the Future' Spreads National Pride
Young people hunt for hair clips and gold star stickers for National Day holiday
See the world's most modern tank, suicide UAV at the parade training complex
![[Photo] Prime Minister Pham Minh Chinh attends the opening ceremony of the National Data Center](https://vphoto.vietnam.vn/thumb/1200x675/vietnam/resource/IMAGE/2025/8/18/b5724a9c982b429790fdbd2438a0db44)
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