@Interstellar_1 to Curated Tumblr@sh.itjust.worksEnglish • 5 months ago._.files.catbox.moeimagemessage-square22arrow-up1366arrow-down113
arrow-up1353arrow-down1image._.files.catbox.moe@Interstellar_1 to Curated Tumblr@sh.itjust.worksEnglish • 5 months agomessage-square22
But uranium is 'eavier.