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Quickly, I'd love to share with you a fascinating 12 second video of an actual nova we've been tracking visually here since 1953. Below, you can see "Optical ejecta... based on proper motions measurements of 282 knots from ~20 images spanning 25 years"
Sometimes you can find some real gems on Cornell University's ArXiv.org
"A 3D view of the remnant of Nova Persei 1901 (GK Per)"
Credit: Liimets et al. 2012, ApJ, 761, 34 and AAS
Thanks to Tiina Liimets for allowing me to upload this.