Round Trip via Mercury????
If you had the opportunity would you like to take a voyage into Space?
For instance, the 'Planet Hop Special', (a quick whizz around our solar system, stopping off for an hour's excursion on each of the planets) then home in time for tea..... Or if feeling a little more daring, the 'Milky Way March' , (exploring somewhere beyond - counting the moons, and swimming in space) .....
Rainbow