Mogwai_toejam (akktri) wrote in sciences,

Question about quasars

Okay. I have a theory about quasars, and I want you to provide some evidence that explains why I am wrong. I don't know much about science, so that's why I'm asking.
On television, a quasar is depicted as a sort of spinning flashlight, and that's what they say causes the flickering.
However, my theory is that there is some kind of cloud between a star and our instrumentation, and that the cloud's movement causes the variations in light intensity and creates the illusion of movement, and the star might not be spinning like that at all.
One counter argument I heard was that the cloud would have to be the size of a universe or something. However, I theorize that it only has to be big enough to block our sensors. Kind of like how you can block out the sun and make it appear to flicker by putting a fan in your window. The fan is obviously not big as the sun, but it subjectively seems to make the sun flicker.
But I don't know that much about quasars. What information do I need to be aware of? Why am I wrong? Can you direct me to some relevant websites? I tried Wikipedia, but that just confuses me.
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