Being alone can be tough, especially in the darkness of space. Earth is an affectionate planet who is looking for a friend. She's delighted when she spots Sun, but Sun is quick to reject her offer of friendship. 'I can't be friends with a planet like you, for I am a star and you are too new.' As Earth searches the solar system, she's met with a similar response from the other planets - Mercury only likes friends who are dry, Mars only makes...