Discussion
Which one of the following terms, often heard in news, is incorrectly explained?
Answer: A
The incorrectly explained term is Dragonfly.
NASA's Dragonfly is a rotorcraft lander being sent to Titan, Saturn's largest moon, to study its organic chemistry and possible habitability. It has nothing to do with solar flares or the Martian regolith.
The others are correctly described. 'Grey goo' is the hypothetical scenario of self-replicating nanomachines consuming the biosphere, the Hyperloop is a proposed high-speed transport in low-pressure tubes, and INS Tabar is a Talwar-class stealth frigate of the Indian Navy.
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