Suppose you and an astronaut colleague visit a black hole. You remain outside the event horizon in the spaceship, while your colleague sacrifices themself for the love of science by diving directly into the black hole. What would your astronaut colleague observe of you as they fall toward the event horizon? Choose from among the following statements. Assume no spaghettification occurs in this instance. Spaceship's signal beacon slows down Spaceship's appearance remains unchanged Spaceship's appearance gets redder Spaceship instantaneously vanishes Spaceship's appearance gets bluer Spaceship's signal beacon speeds up Spaceship's signal beacon remains constant