At Ursa Solar Major, only users with the Outer Planets profile need to seethe Jupiter...

To restrict visibility of the Jupiter field on the Solar System object specifically to users with the Outer Planets profile:

C. Field-level security (FLS). This allows the app builder to control access to fields based on user profiles.

Steps to set up field-level security:

Navigate to Setup → Object Manager → Solar System.

Select Fields & Relationships → Jupiter field.

Click Field-Level Security.

For all profiles except Outer Planets, set the Visible option to unchecked, ensuring these users cannot see the field.

For the Outer Planets profile, check Visible to grant access.

This configuration ensures that only users with the Outer Planets profile can view the Jupiter field.

For more information on field-level security, check Salesforce's guide on Field-Level Security.