Roswell, part three

Frankly, I have no idea what this is supposed to be. It's one of the displays from the UFO museum, but that's all I know. Maybe we should have a caption contest. Offer up your explanation for this pic. You can be funny or informative, if you happen to know what this really depicts.
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Realistically, I think they should change the orientation and have the “disc” on top. To me it appears to be a crashed disc with a hole in it, though why they would have it on its side I don’t know.
My other thought was, has Madonna visited Roswell? Either that or satellite tv has been around much longer than anyone thought.