- Which of the following is/are correct regarding 'Planet X'?
- It is claimed to be the tenth planet in our solar system.
- The planet is yet to be spotted.
- As claimed by the scientists, it is roughly the size of planet Neptune, gaseous in nature and 10 times the mass of planet Earth.
- Only b and c are correct.
- As per the International Astronomical Unit (IAU), which of the following is not the set criterion for being a full-size planet?
- It is in orbit around the sun.
- It has a sufficient mass to assume hydrostatic equilibrium in order to become round in force of its own gravity.
- It has an atmosphere of gases.
- It has 'cleared the neighbourhood' around its orbit – It has no other body of comparable size other than its own satellite under its gravitational influence.
Answer:
- d, It is claimed to be the ninth planet in our solar system
- c