The Ladybird book "He-Man and the Asteroid of Doom" is interesting in that we see the character's wearing oxygen masks when piloting the Wind Raider's into outerspace. As Filmation followers will be all too aware breathing in space was something that the writers of both He-Man and She-Ra never really agreed on. In some episodes the characters could breathe in space, in other episodes they could not. At least the Ladybird books established where they stood!
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