Is that some kind of DLC to an original game?

Hey. If you ever want to give it another go there is a spoiler I can share that will greatly help with those portions.

Eote is a masterpiece and I had to rly battle my fears to do it. Unlike the base game, you can play it in smaller pieces if playing it gets overwhelming

If you're still interested in finishing it:

Besides the tip given by someone else there's also a mod for PC that makes the scary parts significantly less scary: https://outerwildsmods.com/mods/eotebrighterdreams