div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader042fdocumentsinreader042viewer20220226005b3b38cf7f8b9a4b0a8eb6d8html5page1jpg target=_blank img data-url=document-xviii-international-astronomy-olympiad-6-14-ix-2013-vilnius-lithuania-jihtbahtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · XVIII International Astronomy Olympiad 6- 14 IX 2013 Vilnius Lithuania JIHTBa B11J1bHIOC Practical round Problems to solve 7 Distance to the galaxy NGC 4214 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsinreader042viewer20220226005b3b38cf7f8b9a4b0a8eb6d8html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader042fdocumentsinreader042viewer20220226005b3b38cf7f8b9a4b0a8eb6d8html5page2jpg target=_blank img data-url=document-xviii-international-astronomy-olympiad-6-14-ix-2013-vilnius-lithuania-jihtbahtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · XVIII International Astronomy Olympiad 6- 14 IX 2013 Vilnius Lithuania JIHTBa B11J1bHIOC Practical round Problems to solve 7 Distance to the galaxy NGC 4214 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsinreader042viewer20220226005b3b38cf7f8b9a4b0a8eb6d8html5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader042fdocumentsinreader042viewer20220226005b3b38cf7f8b9a4b0a8eb6d8html5page3jpg target=_blank img data-url=document-xviii-international-astronomy-olympiad-6-14-ix-2013-vilnius-lithuania-jihtbahtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: · XVIII International Astronomy Olympiad 6- 14 IX 2013 Vilnius Lithuania...