Possible Clues:

• "___, won't you?" (query from old commercials for The Jetsons)
• Venus, e.g.
• Perhaps aircraft mars this tea a little
• Source of energy, in astrology
• Mars, for example, part of thematic composition
• Eg, a ruby
• Chart space traveller finds programme by Holst
• Mars the aircraft before tea
• Mars one of them in flight before tea
• In space this will fly before tea