Answer :

(a) This statement is False.

Orion is clearly visible in the night sky from November to February.

(b) This statement is False.

Pole star is a name of Polaris in the constellation Ursa Minor, after its property of being the naked-eye star closest to the Earth's celestial north pole.

(c) This statement is True.

Mercury is the planet nearest to the Sun. It is the smallest planet of our Solar System.

(d) This statement is False.

Neptune is the farthest planet in the Solar System.

(e) This statement is False.

There are eight planets in the Solar System. In 2006, the International Astronomical Union (IAU) adopted a new definition of a planet. Pluto does not fit this definition. It is no longer a planet of the solar system.

(f) This statement is True.

Comets are the members of the Solar System. They revolve around the Sun in highly elliptical orbits.

(g) This statement is True.

Artificial satellites are man-made. They are launched from the Earth.

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