The view from the top isn’t always all it’s cracked up to be—especially when you’re traveling in an airplane. Even the lucky passengers who score window seats aren’t guaranteed that the tiny Plexiglas portals will be directly aligned with their chairs. If you’ve ever wondered why you’re often forced to crane your neck while cloud-gazing, you can learn the ostensibly logical reason in the video above, courtesy of YouTube trivia channel Today I Found Out.

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[h/t Travel + Leisure]

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