They could put a teapot in the trunk. Almost all Martian orbits would place it between the Earth and Mars half the time, thus fulfilling Russel's assertion. Or

They could put a teapot in the trunk. Almost all Martian orbits would place it between the Earth and Mars half the time, thus fulfilling Russel's assertion. Or they could eject the teapot along the way. Must be china though. I suggest a white porcelain Melitta teapot. ;)