You are in a train traveling on a horizontal track and notice that a piece of luggage on the floor starts to accelerate directly toward the rear of the train. From this observation, you can conclude that this train is

35.98  million  mile my friend

We can infer that star y is closer but other factors must be considered including the heat of the star, the mass, and the brightness of the star. even though star x seems dimmer it may just be less bright or contain less heat.

Ithink c because you have to work to become goid