391 followers
992 followers
RT @Xavi_Bros: Some massive past #extinctions could be due to a close #supernovae or Gamma Ray #explosion. The nearest candidates to next s…
510 followers
RT @Xavi_Bros: Some massive past #extinctions could be due to a close #supernovae or Gamma Ray #explosion. The nearest candidates to next s…
1,711 followers
RT @Xavi_Bros: Some massive past #extinctions could be due to a close #supernovae or Gamma Ray #explosion. The nearest candidates to next s…