CURRENT AFFAIRS

2016

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which rocket is carried the BeiDou Navigation Satellite System (BDS)
A
Long March 2D
B
Long March 3C
C
Long March 3B/E
D
Long March 4A
Explanation: 

Detailed explanation-1: -On 15 January 2010, the official website of the BeiDou Navigation Satellite System went online, and the system’s third satellite (Compass-G1) was carried into its orbit by a Long March 3C rocket on 17 January 2010. On 2 June 2010, the fourth satellite was launched successfully into orbit.

Detailed explanation-2: -The BeiDou Navigation Satellite System (BDS) is a project built and operated by China as a component of the country’s national security and economic and social development strategy.

Detailed explanation-3: -BeiDou Navigation Satellite System (China) The regional BeiDou space segment has five Geostationary Earth Orbit (GEO) satellites, five Inclined Geosynchronous Orbit (IGSO) satellites and four Medium Earth Orbit (MEO) satellites (summarized in Table 6).

Detailed explanation-4: -How Many Satellites Are in Orbit Around Earth? Earth has 4, 550 satellites in orbit, as of Sept. 1, 2021.

Detailed explanation-5: -The BeiDou system can transmit multiple navigation signals. Generally speaking, the system can provide two kinds of global services: open service and authorized service. Open service is free to users with positioning accuracy better than 10 m, timing accuracy better than 20 ns, and velocity accuracy of 0.2 m/s.

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