ANALYSIS: Inside the world of spy balloons — and why satellites haven't replaced them
What types of surveillance are spy balloons capable of?
I don't know what's on this particular spy balloon, but it's likely to be different kinds of cameras collecting different types of information.. Humans see in a certain range of this spectrum, the visible spectrum. And so if you have a camera and you take a photograph of your dog, that's a visible photograph. That's one of the things spy aircraft do.
But you can also gather different kinds of information in other parts of the electromagnetic spectrum. Another fairly well-known one is infrared. If it's night time, a camera operating in the visible part of the spectrum is not going to show you anything. It's all going to be dark. But an infrared camera can pick up things from heat in the dark.Most of these balloons literally go where the wind blows.
They sometimes have guiding apparatus on them that change a balloon's altitude to catch winds going in particular directions.had propellers to help steer it . If this is confirmed, it means that its operator would have much more control over the path of the balloon.Watch
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