A new study published in Nature proposes the first true evidence of an "accessible cave conduit" on the Moon, located beneath the Mare Tranquillitatis pit. A future...
“Permanent lunar colonies could soon become an attainable target for space agencies”
one must commend Hergé’s research.
to show moon caves in Explorers on the Moon sixteen years before the moon landing in an era without the internet is some freaky stuff.