The Tenth Planet of malevolent cyborgs that became a recurring adversary in later "Doctor Who" stories. The "tenth planet" in the title makes reference to a fictional lost planet in Earth's Solar System; at the time of production, the Solar System was generally held to consist of nine planets, prior to the redesignation of Pluto as a minor planet. "The Tenth Planet" is an incomplete "Doctor Who" serial – one of many serials that were affected by the BBC's policy of wiping archived programmes in the 1960s and 70s. Only three of the four episodes are currently held in the BBC archives; the
Gustav Holst opera, "At the Boar's Head", followed; neither had the immediate popular appeal of "A Moorside Suite" for brass band of 1928. In 1927 Holst was commissioned by the New York Symphony Orchestra to write a symphony. Instead, he wrote an orchestral piece "Egdon Heath", inspired by Thomas Hardy's Wessex. It was first performed in February 1928, a month after Hardy's death, at a memorial concert. By this time the public's brief enthusiasm for everything Holstian was waning, and the piece was not well received in New York. Olin Downes in "The New York Times" opined that "the new score seemed