Also does this make it the fastest thing we've ever observed/measured the speed of, that is not light/particle based ??

If my rough maths is correct this dust is travelling at over half the speed of light ? 560m kph - Feels like this should the throwing up some interesting additional observations/behaviours for is to consider ??

Only in the same way the human form is also apparently abundant in the galaxy as well.... I guess if you accept one then the other follows naturally...

Not awesome, unbelievably selfish and dumb. 2 people getting their adrenaline kicks while putting the lives of 400 other at risk... The author of this article might want to rethink the angle of this article.