PSA: You CAN get more than 1 planetarium per run without the telescope lens. idk how well known this is yet, but the wiki used to say you couldn't, so just letting
Planetarium - Wikipedia
Planetarium - Binding of Isaac: Rebirth Wiki
File:Dome of the Athens Planetarium.jpg - Wikimedia Commons
The second down item is not listed on the isaac wiki, it was called neptune and the wiki even says neptune isn't represented in the planetarium but that's where I got it,
Ko tēnei te wiki o... - Stardome Observatory and Planetarium | Facebook
File:Hamburg Planetarium.jpg - Wikimedia Commons
Clark Planetarium - Wikidata
Club Planetarium | Metronomik Archives Wiki | Fandom
99,9% planetarium miss. I was going for beast and according to the wiki it can still spawn on gehenna II : r/bindingofisaac