Related Clues:

• Red planet and god of war
• About tea, Robin's maid is out of this world
• Robin's maid is out of this world about a little tea
• One could hardly have got here in a tram
• For Robin around a little tea would be out of this world
• In a tram up there one is out of this world
• 'The Sands of ___' (Arthur C. Clarke's first science fiction novel)
• Maker of 31-Across
• "The War of the Worlds" planet
• Planet fourth nearest to the sun
• Bar with little atmosphere?
• Regularly embarrass a neighbour of ours
• Grammar school partly in ruins
• War god - spoils
• Spoils - planet