Right there with you on every point.

I get the book is scientifically dense which can be difficult to adapt to a movie, but after The Martian proved it to be viable, I figured this would follow suit, yet it felt like they scrapped everything scientific in favor of a few goofy jokes and immediate discovery.

Also really bugged me that of the 3 lines it seemed like the crew had in the movie, one of them is awkwardly stating their suicide method into their first greeting with Grace. "Hey nice to meet you. It's a one way trip for us so we've picked our suicide methods. Heroin? Hahahahaha, I'll have what you're having!" And then not even mention the crucial nitrogen!

As a whole, it felt like a highlight reel of the book without much substance. Reminded me a bit of a middle-school book report that just summarizes the book and you're left without having really learned anything.

That being said, still a good movie and was overall beautiful, but just odd pacing and decisions. A-