Strongly agree, The Expanse is a top tier show for so many reasons. For newcomers, the first episode is a bit overwhelming because it's introducing worlds of information on how humanity has progressed on Earth, Mars, and the stations in between on the asteroid belt (The Belt). But the end of the first episode will really grab you and at least send you into the second one, where it becomes a non-stop thrill ride until the end.
There aren't many sci-fi shows working to be realistic representations of physics, and none are perfect, but no epic works harder at being realistic than The Expanse. It takes its science seriously enough to be incredibly satisfying in that regard.
What I absolutely love is that the authors of the books are actual writers for the show, so it is very close to the source material in a lot of ways, deviates in other ways that make it work better for TV, and stays true to its original ideas even when it does.
For those that haven't seen it, check out a few episodes and see if it intrigues you! I found myself along for the ride and simply enjoying that thrill a lot early on, but really felt like I understood the story universe and was invested in the characters themselves by the end of the first season. For those that have seen it, oy Beltalowda, sa sa ke?