Before hitting the canteen for lunch - and I can confirm that Matt did not subject fellow diners to his lab coat in the end – we were able to grab a few more photos, including the young man holding forth in the ESAC auditorium...
...holding a bit of Hubble Space Telescope solar panel, originally supplied by ESA and returned by NASA following one of the servicing missions to the floating observatory...
...and fondling a 3D-printed model of comet 67P/Churyumov–Gerasimenko:
Thanks very much to Emmet Fletcher for the invite to ESAC, and to all the scientists who put up with our Playmonaut/pipe/lab coat tomfoolery. ®
We were sorely tempted to have off with this collection of memorabilia left by cosmonaut Oleg Artemiev, who'd just popped into ESAC:
Artemiev formed part of Expedition 39 to the International Space Station in 2014.