https://en.wikipedia.org/wiki/2009_Norwegian_spiral_anomaly https://en.wikipedia.org/wiki/2009_Norwegian_spiral_anomaly links to https://www.csmonitor.com/Worl

https://en.wikipedia.org/wiki/2009_Norwegian_spiral_anomaly https://en.wikipedia.org/wiki/2009_Norwegian_spiral_anomaly links to https://www.csmonitor.com/World/Global-News/2009/1210/norway-spiral-a-rocket-scientist-explains-the-mystery https://www.csmonitor.com/World/Global-News/2009/1210/norway... > The spiral, he says, "comes when you have a motor firing off the axis of the vehicle at right angles to the line that connects to the center of mass" yielding a "pinwheel."