Fifth planet (hypothetical) into the Sun. Unlike the Disruption Theory's fifth planet, "Planet V" is not credited with creating the asteroid belt. The concept of a fifth planet which had been destroyed to make the asteroid belt, as in the Disruption Theory, has been a popular one in fiction. Fifth planet (hypothetical) In the history of astronomy, a handful of Solar System bodies have been counted as the fifth planet from the Sun. Under the present definition of a planet, Jupiter is counted as the fifth. There are three main ideas regarding hypothetical planets between Mars and Jupiter. During the early 19th century,
The Sun Makers The Sun Makers The Sun Makers is the fourth serial of the 15th season of the British science fiction television series "Doctor Who", which was first broadcast in four weekly parts on BBC1 from 26 November to 17 December 1977. The serial is set on Pluto. In the serial, the alien time traveller the Fourth Doctor (Tom Baker) and his travelling companions Leela (Louise Jameson) and K9 (John Leeson) start a revolution among the humans against an alien corporation which has an economic hold over humanity. The inhabitants of Pluto in the far future are taxed to desperation, including the