[Feature]: Detail Panel

### Problem to solve

As an astronomy student, I want in-depth information on how and why space phenomena that appears on the app as it happens, so that I can add to my knowledge first-hand.

### Desired outcome

Users would be able to access a panel filled with information about what he/she sees in the sky/space, either through a sidebar, context menu, etc.

### Proposed solution

Sidebar, context menu

### Alternatives considered

_No response_

### Additional context

_No response_

### Before submitting

- [x] I searched existing issues and did not find an equivalent request.

No files, tests, or entry points are named. Start by reviewing the existing app interface and determining how sky phenomena are currently displayed. Done means users can open a detail panel from the relevant phenomenon and read in-depth information about what they are seeing.

Written by the indexing model from the issue text.