It really doesn't matter what they are called, since each planet panel is unique. Also, you can set them as you find them, as long as the planets match the spherin video. I did wish the elevators had unique markings or colors, just to make things a bit easier. Note: I think the t-rider has its door open while the t-flyer's door is closed.
The shortest period of time lies between the minute you put some money away for a rainy day and the unexpected arrival of rain.