The portrayal of black holes in the movie "Interstellar" was based on scientific concepts and theories, but it is important to note that artistic liberties were taken for the purpose of storytelling and visual effects. While the movie attempted to present a realistic depiction of a black hole, there are some differences between the fictional portrayal and our current understanding of these cosmic objects.
In reality, a black hole is formed when a massive star collapses under its own gravitational pull, creating a region in space where gravity is extremely strong. This region is known as the event horizon, beyond which nothing, not even light, can escape. The size of the event horizon is directly related to the mass of the black hole.
One key difference between the movie's depiction and real black holes is the visualization of the event horizon. In "Interstellar," the event horizon appears as a turbulent, glowing surface due to the intense gravitational effects. While this makes for a visually striking representation, in reality, the event horizon is an invisible boundary, as no light or information can be observed from beyond it.
Another difference lies in the portrayal of time dilation near the black hole. In the movie, time appears to slow down significantly for the characters as they approach the black hole. This phenomenon, known as gravitational time dilation, is a real effect predicted by Einstein's theory of general relativity. However, the extent of time dilation depicted in the film is exaggerated for dramatic effect.
It's worth noting that our understanding of black holes is continually evolving as scientists conduct further research and make new discoveries. While "Interstellar" aimed to provide a scientifically informed representation, it's important to separate the artistic interpretation from the current scientific understanding of black holes.