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