Hexagonal Prisms Form in Water‐Ice Clouds on Mars, Producing Halo Displays Seen by Perseverance Rover oleh M. T. Lemmon, D. Toledo, V. Apestigue, I. Arruego, M. J. Wolff, P. Patel, S. Guzewich, A. Colaprete, Á. Vicente‐Retortillo, L. Tamppari, F. Montmessin, M. de laTorre Juarez, J. Maki, T. McConnochie, A. Brown, J. F. Bell III