div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentnuclear-war-the-perspective-of-a-planetary-astronomer-by-carl-sagan-to-my-surprisehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Nuclear War: The Perspective of a Planetary Astronomerby Carl Sagan To my surprise I spent a lot of the 1980s studying nuclear weapons and nuclear war My involvement in this central loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsinreader036viewer20220710145fcd3ea3dfe83b674c2f50abhtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentnuclear-war-the-perspective-of-a-planetary-astronomer-by-carl-sagan-to-my-surprisehtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Nuclear War: The Perspective of a Planetary Astronomerby Carl Sagan To my surprise I spent a lot of the 1980s studying nuclear weapons and nuclear war My involvement in this central loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsinreader036viewer20220710145fcd3ea3dfe83b674c2f50abhtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentnuclear-war-the-perspective-of-a-planetary-astronomer-by-carl-sagan-to-my-surprisehtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Nuclear War: The Perspective of a Planetary Astronomerby Carl Sagan To my surprise I spent a lot of the 1980s studying nuclear weapons and nuclear war My involvement in this central loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...