Q. Which one of the following statements best reflects the idea behind the “Fractional Orbital Bombardment System” often talked about in media?
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[A] A hypersonic missile is launched into space to counter the asteroid approaching the Earth and explode it in space.

[B] A spacecraft lands on another planet after making several orbital motions.

[C] A missile is put into a stable orbit around the Earth and deorbits over a target on the Earth.

[D] A spacecraft moves along a comet with the same speed and places a probe on its surface.

Answer: C
Notes:

Exp) Option c is the correct answer.

The “Fractional Orbital Bombardment System” is seen in news recently because China deployed this technique in launching long March rocket. This technique allows it to propel an extremely maneuverable, nuclear-capable glider into orbit, allowing it to speed towards its target at hypersonic speed. The idea behind Fractional Orbital Bombardment System (FOBS) is, a warhead is put into a stable orbit and it deorbits over the target. If the target and the launch position is lined up and the warhead keeps going round, it will complete a circle

Source: https://www.financialexpress.com/defence/chinas-fractional-orbital-bombardment-system-impact-on-indias-nuclear-deterrence-posture/2356471/

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