What Earth Owes to Black Holes
The first picture ever captured of a black hole, one situated in the center of another galaxy, was pretty blurry. Seen in silhouette, it appeared fuzzy, as did the ring of hot gas surrounding it. The reaction of the public did not necessarily match the unalloyed joy of astronomers accustomed to extracting cosmic wonders from lines in a graph. To anyone more familiar with black holes from epic space films, this one mostly looked like a flame-glazed donut.





























