Gaofen-4: Earth observation satellite launched by China

Q.  Gaofen-4 is a Earth observation satellite launched by -
- Published on 04 Jan 16

a. USA
b. European Union
c. Japan
d. China

ANSWER: China
 
- China successfully launched its “most sophisticated” observation satellite, Gaofen-4, as part of the country’s high-definition earth observation project.
- Gaofen-4 was launched aboard by a Long March-3B carrier rocket.
- Gaofen-4 is China’s first geosynchronous orbit HD optical imaging satellite and the world’s most sophisticated HD geosynchronous orbit remote sensing satellite
- Different from Gaofen-1 and Gaofen-2 in low orbits (600-700km) around the earth, Gaofen-4 is located at the orbit 36,000km away from the earth and moves synchronously with the earth.

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