div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: 1913 - Lunar and Planetary Institute · N A Starkey12 l A Franchi12 and l Gilmour12 A Moriok The Open University Milton Keynes MK7 6AA UK 2CEPSAR Research Centre for src=https:reader033vdocumentssitereader033viewer2022051511600e4b9e17217153e101189ahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv