In the movie "Planet of the Apes" released in 1968, the concept of time dilation is not accurately portrayed. Time dilation is a phenomenon predicted by Einstein's theory of relativity, which suggests that time can pass at different rates depending on the relative speeds and gravitational fields of observers.
In the movie, the main character crash-lands on a planet and eventually discovers that he has traveled to a future Earth where apes have evolved into the dominant species. However, the explanation given for this time difference is not consistent with the principles of time dilation as described in scientific theory.
According to the movie's plot, the protagonist's spacecraft traveled at near-light speeds, which supposedly caused time to pass much slower for him compared to Earth. However, this would result in time dilation effects, meaning that while the protagonist experienced a relatively short period of time, centuries or millennia would have passed on Earth. This is not reflected in the movie, as the protagonist arrives on a future Earth where apes have already evolved to a highly advanced civilization.
Therefore, it's important to note that the portrayal of time dilation in the movie is not scientifically accurate. It takes creative liberties to create a fictional world rather than representing the actual effects of time dilation predicted by relativity theory.