A spacecraft hangs against a wall of water under a sky the colour of slate, and for a moment nothing moves but the swell rising behind it. Then a wave the size of a mountain range begins to climb, and the only sound is breathing inside a helmet and an organ holding one long, trembling note. Interstellar is built from images like this — a small human shape set against something vast enough to erase it — and it trusts the image to carry the meaning.

Christopher Nolan‘s wager is that hard physics can move you as surely as a close-up. The film sends a former pilot through a wormhole to find a world humanity can flee to, and its true subject is time: near a black hole, an hour on the surface costs decades back on Earth. Relativity stops being a textbook idea and becomes the cruelest clock in the genre — every minute of the mission is years of his children’s lives he will never get back.

The image and the sound

Shot by Hoyte van Hoytema on IMAX 70mm and anamorphic film, the picture is enormous and oddly tactile — ice, dust, cornfields, the scratched plastic of a cockpit. The black hole, Gargantua, is the centrepiece: rendered by the visual-effects house Double Negative from equations the physicist Kip Thorne supplied, its halo of bent light came close enough to real science to feed published papers. Over all of it Hans Zimmer plays a church organ, trading the brass swagger of the usual space movie for something nearer to liturgy. The craft is not decoration here; it is the argument.

Faces doing the math

Matthew McConaughey gives the film its floor. The scene in which he watches twenty-three years of his children’s video messages in a single sitting — they age in front of him while he has not — is the finest thing he has done, a performance built almost entirely out of listening. Jessica Chastain carries the grown daughter’s fury, Michael Caine lends the weight of an old certainty curdling into a lie, and Anne Hathaway is handed the riskiest line in the film: that love might be a force that crosses dimensions. Whether you accept it is the hinge the whole movie swings on.

Ten years later the reach is everywhere — in the way blockbusters started taking real physics seriously again, in a generation that met the phrase “time dilation” at a multiplex rather than in a classroom. It put the wormhole and the tesseract into ordinary conversation and proved a studio tentpole could be built on an equation and still sell tickets by the hundreds of millions. Few science-fiction films since have aimed this high with so little irony.

Interstellar (2014), directed by Christopher Nolan.

Why it earns the score

It is not flawless. The third act reaches for the sublime and now and then grabs sentiment instead; the script over-explains its own physics, then asks you to take its largest leap on faith. Those limits are real, and they hold it just below the top tier. But the ambition is honest and the craft is total — a film willing to risk looking foolish in order to feel something, and mostly earning it. It works as spectacle, as idea, and, in McConaughey’s quietest scene, as grief.

Interstellar was released in 2014, directed by Christopher Nolan and written with his brother Jonathan, photographed by Hoyte van Hoytema and scored by Hans Zimmer. It stars Matthew McConaughey, Anne Hathaway, Jessica Chastain and Michael Caine, runs 169 minutes, and won the Academy Award for Best Visual Effects from five nominations.