The Final Glimpses quest follows the Unearthed quest in Starfield, during which you gain insight into the true meaning of the Unity and align yourself with either the Hunter or the Emissary. To enter the Unity, the Starborn instruct you to embark on a search for the remaining artifact pieces to complete building the Armillary.
Starfield: Final Glimpses Quest Guide
Continue your journey of becoming a Starborn in Starfield. Follow this guide to complete the Final Glimpses quest without hassle.