Keep in mind, our sun is just one of hundreds of billions of stars in our galaxy. So, this would be like writing a message on a grain of sand, adding it to 20 or so dump truck loads of sand, spreading it out, and trying to pick out your message from the surface of Mars.

Not strictly about trains, but it’s prominent in the lyrics of “Casey Jones” by The Greatful Dead.

I couldn’t agree more. I bought it, on a whim, just to see what everyone was talking about…and now I’m hooked!