div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader040vdocumentssitereader040viewer2022020523575068771a28ab0f07b04a0ehtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: Rejection of a proposed 74-day rotation period of the comet Halley nucleus src=https:reader040vdocumentssitereader040viewer2022020523575068771a28ab0f07b04a0ehtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp© 1987 Nature Publishing Grouppdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader040vdocumentssitereader040viewer2022020523575068771a28ab0f07b04a0ehtml5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: Rejection of a proposed 74-day rotation period of the comet Halley nucleus src=https:reader040vdocumentssitereader040viewer2022020523575068771a28ab0f07b04a0ehtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divp© 1987 Nature Publishing Grouppdiv