It’s notoriously difficult to take a picture of a black hole. But when they are surrounded by material we have an opportunity to witness the hole carved out by the event horizon. But what we see in the famous images of black holes isn’t the event horizon itself, but a magnified and enlarged version known …

Continue reading "How do Black Holes Make a Shadow?"

The post How do Black Holes Make a Shadow? appeared first on Universe Today.

Source: How do Black Holes Make a Shadow?