Space is a serious business. Space is difficult, and for those who seek to travel there, death is a very real concern. So you might be surprised to learn that many people who work in the field of space exploration love space movies. In fact, astrophysicists, planetary geologists, mission designers and the like absolutely adore them. But not always for the reasons you might expect.
Yes, scientific accuracy matters. But the films that earn genuine respect from the scientific community aren’t always the ones that get every detail right. They’re the ones that capture something deeper: the feeling of space, the grandeur of it, the terror of it, the sheer audacity of trying to understand it.
So, let’s take a tour through five films that consistently earn nods of approval from people who actually work in the business of space - and then let's talk about the space movies that don’t, yet are loved all the same.
1. Apollo 13 — “Failure is not an option,” but accuracy is
Apollo 13, Ron Howard’s 1995 film, is widely regarded as the gold standard for realism in spaceflight cinema. NASA opened its doors to the production, and it shows: the spacecraft interiors, the mission control procedures, even the way the astronauts move are grounded in reality. The actors playing the astronauts filmed many of their scenes in the 'Vomit Comet', the aircraft that flies a parabolic profile so that its passengers can experience 20 to 30 seconds of weightlessness during each dive. Imagine the difficulty of shooting scenes within that time frame.
If there was one significant deviation from reality it was the scene where the Apollo 13 crew had an argument. However, even this was based on a quote from mission commander James Lovell, who said the real crew stayed calm because 'bouncing off the walls for half an hour' would solve nothing. But, a bit of passion in a movie goes a long way, maybe not to the moon and back, but it helps.
The reason that scientists love Apollo 13 is that it captures the culture of spaceflight. The improvisation, the teamwork, the knowledge that physics doesn’t negotiate. The film’s famous CO₂ scrubber scene — where engineers on the ground must build a life‑saving device using only the items available on the spacecraft — is practically a love letter to problem‑solving under pressure.
2. Interstellar - The blockbuster that made physicists grin
Christopher Nolan’s Interstellar is a film that swings wildly between poetic speculation and hard core physics.
A good portion of the movie features a black hole, Gargantua, and this wasn’t just designed to look pretty. It was generated using equations provided by Nobel‑winning physicist Kip Thorne. The result was so accurate that the visual effects team published scientific papers about it. When the film shows light bending around the event horizon, that’s not artistic licence — that’s general relativity rendered for the big screen.
Of course, the film also features a tesseract inside a black hole, and a robot that looks like a walking fridge. But scientists tend to forgive the more speculative leaps because the film takes the science seriously - take the scenes involving time dilation and the effect on the crew of those who age and those who don't
Most importantly, central to the film are love and curiosity - two very human forces - and they are what drive exploration in the first place.
3. 2001: A Space Odyssey — The film that got there first
If Interstellar is the modern physicist’s darling, 2001 is the elder statesman. Stanley Kubrick’s 1968 masterpiece remains one of the most scientifically respected films ever made, and for good reason.
Long before CGI, Kubrick insisted on portraying space as it truly is: silent, slow, and governed by Newton rather than Hollywood. The rotating space station, the bone‑dry depiction of life in microgravity, the eerie calm of the spacecraft interiors — we may not choose to build these things exactly as shown, but none of it's impossible.
Scientists admire 2001 because it doesn’t underestimate the audience. It trusts us to contemplate the unknown - and draw our own conclusions. And then there’s HAL 9000, the most unsettlingly plausible artificial intelligence ever put on screen. Ask any computer scientist: HAL is still the benchmark for “AI that goes wrong in a way that feels uncomfortably possible.”
4. The Martian — Potato Survival
Ridley Scott’s The Martian is a rare film that makes scientists feel… seen. It’s a celebration of competence and the idea of working a problem.
Real planetary scientists love the film’s portrayal of Mars. While the dust storms are exaggerated and the gravity, Earth-like (for reasons of budget), the landscape, the lighting and the sense of isolation all ring true. Engineers appreciate the spacecraft design, the mission planning, and the way the film shows NASA as it actually is: a place full of brilliant, slightly frazzled people trying to make the impossible routine.
And then there’s Mark Watney himself. He’s not a superhero. He’s a botanist with a sense of humour and a stubborn refusal to die and he applies science and engineering know-how to win through. And, on the off-chance you haven't seen the film; he grows potatoes, on Mars.
5. Contact — The emotional truth of scientific discovery
Carl Sagan’s Contact occupies a special place in the hearts of astronomers. It’s not a film about rockets or space battles. It’s a film about the scientific method — the thrill of discovery, the frustration of bureaucracy and the tension between evidence and belief.
Jodie Foster’s portrayal of Ellie Arroway is one of the most beloved depictions of a scientist on screen. She’s passionate, rigorous, and deeply human. She listens to the universe with the same intensity others reserve for prayer.
Scientists respect Contact because it understands something fundamental: that science is not just equations and instruments. It’s a profoundly emotional pursuit. It’s about longing — for knowledge, for connection, for meaning…
So, that's all well and good, but what about the flip side? I've studied science, I'm an engineer, do I have a soft spot for films that, to not put too fine a point on it, are scientifically nonsense?
Of course I do, and I'm not alone.
Ask an astrophysicist about Star Wars, and they’ll happily explain that sound doesn’t travel in space, that dogfights don’t work like that (they were based on footage from the film The Battle of Britain), and that light sabers violate several laws of thermodynamics. Then they’ll tell you they love it anyway. Why? Because realism is only one tool in the storyteller’s kit. Sometimes the goal isn’t to depict space as it is, but as a venue for infinite possibility and adventure.
Films like Gravity take liberties with orbital mechanics but capture the visceral terror of being untethered above the Earth. Watch it in 3D and you'll be transported; it might not quite be space as we know it, but it's one hell of a ride.
As for Guardians of the Galaxy, if you can suspend disbelief it gives us joy, colour, and a talking raccoon with a tragic backstory.
All of us have our limits though. For me, there are some films I could do without having watched. Armageddon, a Bruce Willis movie about a world-ending asteroid is a film that NASA reportedly uses as a training exercise in spotting scientific errors. While I find it a bit too much, others think it has a certain chaotic charm.
The truth is this: science fiction is not a documentary genre. It’s where what we know meets what can imagine. All good science-fiction stories need a sense of wonder. Sometimes the most inspiring stories are the ones that break the rules - because they remind us that the universe is bigger than our current understanding.
Realism can ground us. Imagination can lift us. And the best space movies, whether accurate or wildly speculative, do both in their own way.