Planetarium is a Space themed Museum with a Blue & Redcard Puzzle.
On the outside you can find a Small Shuttle in the Air with a Redcard Spawn.

Fuel up the Gens to get into the Top Control Room.
Swiping the Bluecard will open the Main Building

Inside you need to do your first Mission to get the Code.
After getting the Code Swipe the Red Card and get your loot!