The video condenses 16.5 days into less than eight minutes, according to CNET.
Tyrwhitt-Drake also created a clip that zooms in on the sunspot (below):
What caused the sunspot to be so big? NASA scientist C. Alex Young told Space.com that experts "really don’t know.”
"Being close to solar maximum [the peak in the sun's 11-year solar cycle] means there is more concentrated magnetic field and magnetic energy under the solar surface waiting to bubble up," Young said. "But the question of why it comes up as one spot instead of two or more is really still unknown, a mystery."