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Railways PYQCBT 1 2016

RRB NTPC · Question 24

What is ' Planet Nine'? A. Planet in the Comet Galaxy B. A planet in Andromeda Galaxy C. A planet where the 'Star Wars' series took place D. A large icy planet proposed in the outer Solar System

  1. D

  2. A

  3. B

  4. C

Show answer & explanation

Answer: (A) D

Explanation

'Planet Nine' is a hypothetical large planet in the far outer Solar System, beyond Neptune, proposed in January 2016 by Konstantin Batygin and Mike Brown. They proposed it to explain the unusual clustering of the orbits of distant Kuiper Belt objects; it has not yet been observed.