Bookmarks
Bookmarking
Click the small star-icons
to bookmark/remove bookmarks.
Click Add/Remove Boookmark
in solarsystem-menu to do the same.
Bookmark pane
Click star-icon
in menu to open bookmarks.
Click the bookmark to open the solarsystem-menu on that system.
Click J-icon
to enable/disable that system in DST
tab of solarsystem info.
You can drag&drop bookmarks to change their order (browser only).
If cloud is enabled bookmarks get backed up and synced to other devices. They do not get shared.