/u/fathan's posts
Mark as read: Add to a list
Mark as read: Add to a list
If an external observer can't ever see something fall into a black hole, can we observe the mass of a black hole increase?
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
