#https://upload.wikimedia.org/wikipedia/commons/6/64/Artist%E2%80%99s_impression_of_the_double-star_system_GG_Tauri-A_%28Vid%29.ogg?uselang=zh-cn
#https://commons.wikimedia.org/wiki/File:Artist%27s_impression_time-lapse_of_distant_supernovae.webm
#https://upload.wikimedia.org/wikipedia/commons/5/51/Stellar-mass_black_hole_in_the_spiral_galaxy_NGC_300.ogv
等