1 Idiots' Guide to Black Holes Zachary Wong Subscribe Unsubscribe 5+ y ago5+ y ago Subscribe Unsubscribe रोज+ We're just gonna tell you a little about black holes but please do this one thing for us ...Subscribe! … continue reading
1 Idiots Guide to Black Holes 10:59 Play Pause 5+ y ago10:59 Play Pause बाद में चलाएं बाद में चलाएं सूचियाँ पसंद पसंद 10:59 Keaney and Zach … continue reading