Black Knight is Real Below is the image from Wikipedia as shown on their website. This photo was apparently taken by NASA in the late 1990s. You can read about it on the website. There are several non-technical reasons why this is not a floating blanket accidentally released on a previous space mission. First and foremost is that it simply does not look like a blanket. A floating blanket does not retain right angles nor does it have two straight side surfaces directly oriented up in the image. Whoever took the picture automatically focused on this orientation and made the top let upper edge straight up. Of course, the earth curvature outside above the image probably played a roll in the photographer orientation. The second image below emphasizes this point. In spite of many who think space is empty, it is definitely not. There are so many charged particles that sound can be transmitted via the charged particles using electromagnetic forces instead o...