They’re too dark for the low-quality camera to pick up.
Your eyes have no issues because eyes are *amazingly* good cameras. It cannot be stressed enough just how good they are. [Under ideal circumstances, we can even detect single photons.](https://www.nature.com/articles/ncomms12172)
It’s a big part of the reason why pictures of things never quite look as good as real life. You need an extremely expensive camera to get something even approaching the dynamic range and sensitivity of the human eyes. [Take such an expensive camera onto the ISS and you can have it film the stars just fine](https://www.youtube.com/results?search_query=ISS+night+footage+4K).
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