Ursa Major Solar requires a new field called Planet Details on the Planet object, where users can write detailed descriptions that can include pictures and links. The Rich Text Area field type is the best fit for this requirement.
* Option B (Rich Text Area): A Rich Text Area field allows users to enter text with formatting options such as bold, italics, bullets, and numbering. Additionally, it supports inserting images and hyperlinks
, which matches the requirement of including pictures and links in the description.

It will fail if there is a feature only available in the next version. According to the Salesforce documentation,
"If your sandbox is on a newer version than your production org, you can't deploy any components that are new in the sandbox version." The change set components will not be upgraded to the next version in production, the change set will not be automatically deployed when production is upgraded, and the deployment is possible if there are no new features involved.

The selected objects in the sandbox template. This is correct because a partial sandbox only copies a subset of data from production, and the data to be copied is determined by the sandbox template. If the Shipping object was not selected in the template, then its data would not be copied to the sandbox

An app builder can go to two places to see a list of available custom Lightning components in their org:
* Lightning App Builder: This is a tool that allows an app builder to create and customize Lightning pages using drag-and-drop components. The app builder can see the list of custom Lightning components in the Custom section of the Lightning Components pane1.
* Lightning Components in Setup: This is a setup menu that allows an app builder to view, create, edit, and delete custom Lightning components in their org. The app builder can see the list of custom Lightning components in the Lightning Components section of the Setup menu2. Option A and B are not places where an app builder can see a list of custom Lightning components.

Apex unit test failures can cause a package installation to fail. According to the Salesforce documentation, "If your package contains Apex code, all tests must complete successfully for your package to install." Incorrect license types, package features not compatible, and object limits exceeded are not valid reasons for a package installation failure.