<span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">일단 지구와 태양의 크기 부터...</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">(윗쪽 파란점이 지구의 실제 크기 비율)</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">태양의 지름은 지구의 약 109배.... (139만km)</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><div style="text-align:left;"><img src="http://thimg.todayhumor.co.kr/upfile/201505/1431832141oENBCYb9Kd3OMYOEPlcUpfthRyyp89.jpg" width="661" height="640" alt="1.jpg" style="border:none;"></div> <div style="text-align:left;"><img src="http://thimg.todayhumor.co.kr/upfile/201505/1431832141SMjEpoiCrGoqB.jpg" width="654" height="361" alt="2.jpg" style="border:none;"></div><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">그리고 태양에서 지구까지의 거리는 태양 107개를 늘어놓은 거리... (1억 5천만 km)</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">윗 그림에서 지구의 크기를 태양크기라고 가정할때.... 저 원지름만큼 떨어진 거리에 지구가 있단...</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">요게 광속으로 약 8분 20초......</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">1광년은 9조 4,670억 km 임....</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">태양계에서 젤 가까운 항성인 알파 센타우리까지의 거리는 약 4.3광년이고요....  (40조 6천억km)</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">이걸 거리로 대충 생각하시려면....</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">해운대 백사장의 길이가 약 1.8km.....</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">해운대 모래알 크기를 직경 0.1mm 의 미세모래라고 가정하면요...</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">태양의 크기를 해운대 백사장 모래알 1개라고 하면..... 알파센타우리까지 가려면 약 2.9km 거리임...</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">해운대 백사장을 한쪽끝에서 한쪽끝까지 한번 갔다가 절반이상 되돌아와야 하는 거리죠.....</span><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><br style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;">솔직히 잘 상상이 안됨... -_-;;;</span> <div class="autosourcing-stub-extra" style="line-height:1.5;"></div> <div><span style="font-family:NanumGothicBold, 'Malgun Gothic', Verdana, Arial, sans-serif;text-align:justify;color:#444444;line-height:18px;"><br></span></div>