The animation depicts the waves created through ionized debris all the way through the 2017 overall sun eclipse.MIT Haystack Observatory/Shun-rong Zhang. Zhang, S.-R., Erickson, P. J., Goncharenko, L. P., Coster, A. J., Rideout, W. & Vierinen, J. (2017). Ionospheric Bow Waves and Perturbations Precipitated through the 21 August 2017 Sun Eclipse. Geophysical Analysis Letters, 44(24), 12,067-12,073.