It means that somebody has a really weird idea of what a spaceship looks like. As the article <i>text</i> says, it looks like a debris cloud that is getting smeared out by sunlight pressure. So, if it's a spaceship, it's a spaceship that <i>exploded</i> already.<p>Seems the quality of alien spaceships is going down. They used to at least be able to travel at least four light years, reach Roswell, New Mexico, then explode. Now they travel four light years minimum and explode before even reaching Earth. I'm not really certain that we have much to learn from our neighbors who seem so desperate to contact us, yet so frightfully incapable of it; we don't need to travel the stars to blow things up, we can do it right here. Seems more efficient than their approach.