Spoilers are precisely defined here. Rules vary by the story's medium. Info from television stories can't be added here until after the top or bottom of the hour, British time, closest to the end credits roll on BBC One. Therefore, fans in the Americas who are sensitive to spoilers should avoid Tardis on Sundays until they've seen the episode.
It was situated 4.5 billion kilometres from the Sun and 4.3 kilometres from Earth. Wind reached speeds of 2100 kilometre an hour, and surface temperature was -218 degrees centigrade. (COMIC: Terrorformer)