In a recent column, I wrote about black holes. A curious reader wrote to me with an interesting follow-up question about a topic that I hadn’t had time to explore in much detail — specifically, the relationship between matter and black holes, and what goes on at their centers.
The short answer to the second question is we don’t know. That’s the end of the column. More seriously, one of the reasons black holes are such an interesting phenomenon to study is that perspective really matters. We know that black holes are bounded by a boundary called a …
Source: www.newscientist.com
