https://hypescience.com/os-7-piores-dias-do-planeta-terra/
https://www.quora.com/What-was-or-would-be-the-worst-time-in-history-to-be-alive-for-any-human-on-the-planet/answer/Henrey-Bradley-1
https://www.youtube.com/watch?v=3723xAfvZiM
https://canaltech.com.br/espaco/cada-ponto-nessa-animacao-e-uma-fonte-de-raios-gama-no-universo-243510/
https://segredosdomundo.r7.com/terra-bola-de-neve/