allerySLV ತನ್ನ ಮೊದಲ ಯಶಸ್ವಿ ಉಪಗ್ರಹ ಉಡಾವಣೆಯನ್ನು ಯಾವ ವರ್ಷದಲ್ಲಿ ಮಾಡಿತು?
A1975
B1979
C1983
D1980
Answer & Solution
Correct answer: D. 1980
1979 ನಲ್ಲಿನ ಮೊದಲ SLV ಹಾರಾಟವು ಕಕ್ಷೆಯನ್ನು ತಲುಪಲು ವಿಫಲವಾಯಿತು, ಆದರೆ 1980 ಉಡಾವಣೆಯು ರೋಹಿಣಿ ಸರಣಿ-I ಉಪಗ್ರಹವನ್ನು ಕಕ್ಷೆಯಲ್ಲಿ ಇರಿಸಿತು.
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