Interstellar, Nolan’s ending explained

Here’s the meaning of Interstellar’s ending if you left the theater with a lot of questions.

This is perhaps the most famous film by Christopher Nolan, which dedicated Matthew McConaughey (and even more so Jessica Chastain) to the Olympus of great Hollywood actors. We’re talking about Interstellar, a 2014 film set in an uncertain future in which humanity will be forced to find a new home in interstellar space. The film begins with the Earth engulfed in a “plague”. Nolan doesn’t give us much information about what made the planet so uninhabitable, although it all points to pollution and global warming in particular.

Explanation of the final scene

The film does not insult science, on the contrary. The director relied on an astrophysicist and Nobel Prize winner Kip Thorne introduce worm-hole in the most realistic way possible. The film follows the journey of some astronauts through a wormhole created by our descendants to allow humanity to travel between galaxies in the shortest possible time. But who are “they”?

According to Cooper, “they” are none other than our students, who in the fairly distant future will go beyond our three dimensions. It is this future civilization that will create the wormhole (and tesseract) that will allow Cooper to communicate with his daughter and save humanity.

How does Interstellar end?

At the end of the film, the main character manages to return from the black hole and transfer quantum data to his (now adult) daughter so that she can build spaceships large enough to transport humanity away from planet Earth. When the Rangers rescue Cooper, adrift near Saturn, he finds his elderly daughter on her deathbed. This is what many call an “ontological paradox”: as if a chicken sent an egg back in time, and the egg then became a chicken. We currently don’t have the resources to say whether something like this is possible, but theoretical physicists have been arguing about it for some time. However, the time shift between Cooper’s and Murph’s ages is quite plausible: it is a consequence of the theory of relativity, which we discussed here.

However, in the final scene we see Dr. Brand, who, having arrived on Edmunds’ planet, removes her helmet, buries the eponymous astronaut sent there by NASA, turns around and returns to base, where she prepares to raise human embryos transported from Earth with the aim of creating a colony (Plan B ). Cooper then prepares to join her on this new inhabited world.

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