Choose the correct option to complete the statements given.
Which of these was a planet till 2006 but is now a "dwarf planet"?
Pluto is a dwarf planet in the Kuiper belt, a ring of bodies beyond Neptune. It was the first Kuiper belt object to be discovered and is the largest known plutoid.
Pluto was discovered by Clyde Tombaugh in 1930 and was originally considered to be the ninth planet from the Sun.
Pluto is the largest and second most massive known dwarf planet in the solar system and the ninth largest and tenth most massive known object directly orbiting the sun.
It is the largest known trans-Neptunian object by volume but is less massive than Eris. Like other Kuiper belt objects, Pluto is primarily made of ice and rock and is relatively small about one-sixth the mass of the moon and one-third its volume.
It has a moderately eccentric and inclined orbit during which it ranges from 30 to 49 astronomical units from the Sun.