Uploaded January 2018 | Updated September 2026, 2 weeks ago

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Amateur astronomer Detlef Hartmann created this amazing animation of the Crab Nebula expanding, using observations he made over a decade with a home-built telescope.

Original video: astrobin.com/327338/?nc=user (used by permission)

More info on my blog: syfy.com/syfywire/watch-debris-from-a-supernova-explosion-expand-before-your-eyes