You didn't even bother following the link to the Twitter thread.
The photo of the Apollo 11 display shown in the thread was taken from Wikimedia Commons, uploaded in 2008 [0].
The other one, with Pope Benedict seated next to a red-tiara'd flag comes from archivio.quirinale.it, the official archives of the Italian presidency [1].
[0] https://commons.wikimedia.org/wiki/Category:Vatican_City_lun...
[1] https://archivio.quirinale.it/image-h/Ciampi/grandi_immagini...