If you’re on an overnight flight, you might have been looking forward to a gorgeous, clear view of the stars! That’s the whole reason you booked that window seat, right? But when night falls, you look out your window, and…no stars! They’re obviously still there…so what’s going on here?? Well, there are a few reasons!

Do you know, for example, what light pollution is? When you’re flying over a huge city like New York, London, or Tokyo, the stars have to compete with all of those artificial lights from the cities. It might seem crazy to think that man-made lights will block out the light of millions of stars, but the stars are much further away than those glowing city lights below!

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