Comic #2204: 2011-05-27

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Description

The comic features a man, presumably a professor, with short, dark hair and a mustache. He is wearing a formal blue suit with a yellow vest and a white shirt. In one hand, he is holding a pointer stick and gesturing emphatically.

The speech bubble above him contains the text:

"ONCE YOU GO BLACK (OR FURTHER) YOU'LL NEVER GO BACK (TO AN OUTSIDE OBSERVER)"

In the background, there’s a green chalkboard filled with mathematical equations.

At the bottom of the comic, the caption reads:

"Professor Tyson discusses Event Horizons."