this post was submitted on 07 Jul 2026
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Summary: 9/10: thrilling, funny, emotionally resonant sci-fi that uses its high concept to ask essential questions about cooperation, sacrifice, and whether we can save ourselves before it's too late.

I hadn't read Andy Weir's award-winning novel before seeing the film, so I wouldn't be disappointed by the adaptation. And I wasn't. The Lord-Miller team, Phil Lord and Christopher Miller, made this an exciting and rewarding sci-fi film that captures Weir's science-heavy problem-solving while never losing sight of its emotional core.

Ryan Gosling totally nailed the sardonic scientist, insisting on playing someone not good at being in space, someone who flips out and feels clumsy in zero gravity. His character arc, from isolated problem-solver to someone capable of profound emotional connection with Rocky, a sentient rock-shaped alien, is beautifully rendered. Gosling brings vulnerability and humor to a role that could have been purely cerebral, making Grace's transformation genuinely moving.

The premise of the film carries urgent relevance: we humans can survive only within a rather narrow temperature range. Project Hail Mary presents a cooling scenario, but the existential threat is the same whether we cool or overheat through global warming. The astrophage consuming the sun's energy becomes a metaphor for the forces draining our planet's capacity to sustain life.

According to a study published in Nature, almost two-thirds of global warming is caused by the wealthiest 10% of the world. Our time is running out, and this film functions as a call to action: we need many heroes like Grace and Rocky to step up and wrestle our future from the wealthy capitalists, monopolists, "kings," dictators, and other "astrophages" consuming resources without regard for collective survival.

Lord and Miller, working from Drew Goddard's screenplay, balance the novel's technical problem-solving with genuine humor and heart. The film understands that science fiction at its best isn't just about solving equations; it's about what we're willing to risk, who we're willing to become, to save each other.

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[–] dreamkeeper@literature.cafe 2 points 1 day ago

It was a heartwarming movie. I enjoyed it. Gosling was great, he does really well in comedy roles.

My only complaint was that it was too long. I'm not sure what I would edit but I felt like it kept dragging itself out, even though I enjoyed the movie. 2 and a half hours seems like a bit much for a dramedy for me.

[–] njaard@lemmy.world 9 points 1 day ago (2 children)

I read the book, then saw the movie.

Apparent plot holes (can't remember them right now) in the movies are explained by the book. And so many unexplained details like the

Tap for spoilernature and behavior of the astrophage

And also

Tap for spoilerwhy Grace didn't die the same way Rocky's colleagues in space did

are explained in the book, making it a superb tie in.

Loved them both. If you haven't read the book, you should.

[–] MrScottyTay@sh.itjust.works 4 points 1 day ago* (last edited 1 day ago)

I thought they did explain the third "plothole" in the film...

[–] SailorFuzz@lemmy.world 3 points 1 day ago (2 children)

The biggest plothole/question I had was

spoilerWhen they go "fishing" on the planet, why didnt they just pull the space craft up first, then reel it back in?

What was the reason it had to be manually retrieved first at the risk and height of danger?

IIRC it's explained in the book.

If they moved first, the chain would be dragged behind the spaceship, and the energy emitted by the engines (which would be at full throttle) would instantly vaporize the container.

[–] sharktoes@lemmy.zip 2 points 1 day ago (1 children)

It’s because the ship wasn’t made to withstand the level of gravity on Adrian. It would have taken longer to leave the atmosphere had they been lower in the planet. The ship would have been crushed. Adrian is a gas giant just like Venus is. Also The Taumoeba only lived in a specific atmospheric band where the temperature and pressure allowed them to breed.

[–] SailorFuzz@lemmy.world 2 points 1 day ago (1 children)

Nono, I understand why they did the fishing thing. My question is, why didnt they just pull up first THEN retrieve the lure. Instead of, trying to retrieve the lure first while risking the ship falling into Adrian's atmosphere?

The lure had to be some form of air tight when closed to begin with, right? Since it had to be brought aboard. So what difference did it make reeling it in before getting the ship to safety first?

[–] MrScottyTay@sh.itjust.works 1 points 1 day ago

Maybe when the ship would be out of the gravitational pull but the lure still in it would separate the two of them from each other..?

[–] huppakee@lemmy.world 14 points 1 day ago (1 children)

According to a study published in Nature, almost two-thirds of global warming is caused by the wealthiest 10% of the world.

Guess you forgot to put that in bold, i'll fix it for you:

According to a study published in Nature, almost two-thirds of global warming is caused by the wealthiest 10% of the world.

[–] Cybersec@piefed.social 4 points 1 day ago

I’m surprised it’s not a lot, lot more than that. Most poorer people, especially in developing countries, are living very low impact lives. (Consuming and traveling very little)

[–] probable_possum@leminal.space 12 points 1 day ago

I loved the book and liked the movie. The final chapter was a bit short. I was curious how they'd solve the hair in zero-g problem: mostly with hair gel. :D

[–] gramie@lemmy.ca 4 points 1 day ago (2 children)

I just watched this movie last night. I thought it was trying to be Disney. Cute alien sidekick, happy ending. Not much tension, because it was obvious that they were going to survive and save the day. I kept hoping for a shocking loss, but it never came. Or when it came, it turned out not to be a loss after all.

There were some really good elements in the plot, the science waved its hands in just the right places to make it plausible, and the visuals were spectacular. Gosling did very well as the only person in the majority of the movie.

One thing bothered me: they were at Tau Ceti, 11.9 light years from earth, but the return trip was only going to take 4 years and change. How did that work?

[–] davidgro@lemmy.world 7 points 1 day ago (2 children)

Regarding the last sentence, that's ship time, on earth it would be over 12 years. Someone can do the math to figure out how many earth years, but note that the ship seems to accelerate at around 1 g for half the journey, getting very close to C, then flips and decelerates for the other half.

[–] SkaveRat@discuss.tchncs.de 5 points 1 day ago

https://old.reddit.com/r/ProjectHailMary/comments/1ryy88p/the_files_just_got_released/

Weir released the spreadsheets he used for all the calculation

Can't check right now, but I'm pretty sure that the time dilation calculation is in there as well

[–] Occultist0178@lemmy.world 6 points 1 day ago

This more or less covers it, in the book it is described in more detail. If you enjoyed the movie, I can recommend the book for more science background information.

[–] thisisbutaname@discuss.tchncs.de 3 points 1 day ago (1 children)

The ship is travelling really fast thanks to its astrophage powered engines, which accelerate it constantly.

While not coming close to the speed of light, the ship and people on board would experience time differently from people on Earth, explaining the difference in travel time depending on the point of reference.

In the book it's explicitly explained:

spoilerRocky tells Grace their ship used way less fuel than expected due to reaching Tau Ceti sooner than they calculated, because the Eridians never figured out relativity.

[–] gramie@lemmy.ca 2 points 1 day ago

Ah, that makes sense. Thanks! I even checked with the Omni calculator and it checks out.

[–] valar@lemmy.ca 7 points 1 day ago

Never read the book but really liked this movie. One of my favorites recently. Glad I had no spoilers and no idea what to expect, I read that the trailers gave away too much.

Tap for spoilerAt first I thought I'd be annoyed by how anthropomorphized Rocky's actions and speech were, but in the end I forgot about that and it served the feel-good vibes really well.

[–] dkppunk@piefed.social 1 points 1 day ago* (last edited 1 day ago)

Great review! Thank you!

So funny to see the kid who played Young Hercules become such a great actor and not just another pretty boy. Loved the movie!

[–] A_norny_mousse@piefed.zip 7 points 1 day ago (5 children)

I read the book and loved it. Will I be disappointed by the movie?

[–] dkppunk@piefed.social 2 points 1 day ago

I’ll chime in with the other folks. I read the book when it was new and loved it. I was really excited for the movie but held reservations because adaptations are not always great. I went to see it opening weekend, which is something I rarely do, last time it was for the latest TMNT movie.

The movie was fantastic! There are a few changes, which are understandable and it doesn’t go as in depth into the science, but it’s a great adaptation. My partner did not read the book, but he really liked the movie as well. He had a few questions that I was able to answer because the movie was my second time through the story.

I also recommended the book to my FIL because he’s an old engineering nerd and he really enjoyed it too. My in laws went to see the movie the first week it was out and loved the movie.

I hope you enjoy it too!

[–] tjhowse@lemmy.world 17 points 1 day ago (2 children)

I loved the book and thought the movie was a perfectly cromulent adaptation. It's not a perfect film, and doesn't replace the book, but I enjoyed it a lot. I can see why they made the changes they made, though I feel act 1 dragged on a little bit.

[–] A_norny_mousse@piefed.zip 9 points 1 day ago

Thanks.

cromulent

😚👌

[–] Rhaedas@fedia.io 3 points 1 day ago (1 children)

Books can do so much more. If nothing else, a good film adaptation sparks interest in the book from those who never read it.

[–] ToastedRavioli@midwest.social 2 points 1 day ago* (last edited 1 day ago)

Yeah, I really appreciated having the visual workload done for me in watching the movie. The book was so good I read it in 2 days, then watched the movie.

The movie does a really good job and is visually stunning, but of course they couldnt do a fully faithful adaptation of the book. Making the book into a movie detail for detail would have easily been a 4 hour plus movie. I appreciated that they had little unexplained easter eggs to reference parts of the book they didnt have time for, like showing the names on the beetles before they launched. Sad the movie missed out on that killer Pete Best joke tho

Really hoping this success gives them the motivation they need to actually make the Artemis movie

[–] wjrii@lemmy.world 9 points 1 day ago

It glosses over the “science-ing the shit out of things,” to use a Weir-ism, favoring the emotional connection , and compacts some other plot points, but everything that must be there is there, and done well. IMHO it’s pretty close to perfect as an adaptation to complement and revisit the book in a dramatic way, but it wouldn’t replace reading it.

For the record, I think project Hail Mary is a much better book than the Martian is, but the two films are roughly equivalent in quality. Damon is a little better than Gosling as the author stand-in, but r the Rocky dynamic makes PHM a more compelling story.

[–] Visstix@lemmy.world 6 points 1 day ago (1 children)

It basically has all the story points. Just crammed in a very small package. And a bit goofier vibe. But it's fine.

[–] A_norny_mousse@piefed.zip 3 points 1 day ago* (last edited 1 day ago)

Yeah I'm convinced. Can't wait to see Rocky and hear how they communicate.

Probably not.

There's some hand-waving about the science stuff, which I understand. Detailed explanations work in the book but wouldn't in a movie, at least for 90% of viewers.

I did not like some changes they made to characters behaviour, but nothing really major.

[–] cybermass@lemmy.ca 3 points 1 day ago

Great review/summary!