In the Far Future, a Starship Becomes Trapped Inside the Event

question 27

Multiple Choice

In the far future, a starship becomes trapped inside the event horizon of a black hole. Although the crew discovers that their ship cannot out, they at least want to send a message to other ships in the area to stay away from the danger zone. If they send out a message in the form of a radio wave, what will be its fate?

• A) the message will emerge from the event horizon with a huge gravitational redshift
• B) although the radio wave will emerge from the event horizon, all the information in the message will be garbled
• C) the radio wave will become a gamma ray by the time it emerges from the event horizon
• D) the radio wave will only emerge from the event horizon if it is moving in the direction of the magnetic north and south pole of the star that formed the black hole
• E) the message will never emerge from the event horizon