新年快乐！“火星人”
<!----><style type="text/css">html{font-size:375%}</style><link href="https://pic.app.fqlook.com/static/publish/css/style.css?v=1605251010499" rel="stylesheet" position="1" data-qf-origin="/static/publish/css/style.css?v=1605251010499"><!-- 付费贴--> <div class="preview_article "> <!----> <h1 style="font-weight: 400;">新年快乐！“火星人”</h1><p>福建科普 2022-12-26 13:00 发表于福建</p><p> </p><p class="empty_paragraph"> </p><p class="qf_image big noneditable" contenteditable="false"><img src="https://pic.app.fqlook.com/forum/20221226203819front2_0_159363_Fi7l5vIZ0QWcctl8f1UM_A4pqhad.jpg?watermark/3/image/aHR0cHM6Ly9waWMuYXBwLmZxbG9vay5jb20vYWRtaW5fRnYyNzVpbW1Hd0xnX0dTQ29mTWFoR3VkOHBiRC5wbmc=/dissolve/100/gravity/South/dx/10/dy/65/text/QOemj-a4heWkqeS4iw==/fontsize/400/dissolve/100/gravity/South/fill/I2E4YThhOA==/font/5b6u6L2v6ZuF6buR/dx/10/dy/35" alt="" width="690" height="1227" data-qf-origin="forum/20221226203819front2_0_159363_Fi7l5vIZ0QWcctl8f1UM_A4pqhad.jpg?watermark/3/image/aHR0cHM6Ly9waWMuYXBwLmZxbG9vay5jb20vYWRtaW5fRnYyNzVpbW1Hd0xnX0dTQ29mTWFoR3VkOHBiRC5wbmc=/dissolve/100/gravity/South/dx/10/dy/65/text/QOemj-a4heWkqeS4iw==/fontsize/400/dissolve/100/gravity/South/fill/I2E4YThhOA==/font/5b6u6L2v6ZuF6buR/dx/10/dy/35" /></p><p> </p><p> </p><p>今天（12月26日）</p><p> </p><p>火星迎来春分</p><p> </p><p>也标志火星进入新的一年～</p><p> </p><p>这是火星的第37个新年</p><p> </p><p> </p><p> </p><p>那么在“新年”这一天</p><p class="empty_paragraph"> </p><p>火星会有什么现象呢？</p><p> </p><p> </p><p>1 昼夜平分</p><p class="empty_paragraph"> </p><p class="qf_image big noneditable" contenteditable="false"><img src="https://pic.app.fqlook.com/forum/20221226203811front2_0_159363_FmEQJaqVMjiDQ2q8RPXlmaJMiCW3.jpg?watermark/3/image/aHR0cHM6Ly9waWMuYXBwLmZxbG9vay5jb20vYWRtaW5fRnYyNzVpbW1Hd0xnX0dTQ29mTWFoR3VkOHBiRC5wbmc=/dissolve/100/gravity/South/dx/10/dy/65/text/QOemj-a4heWkqeS4iw==/fontsize/400/dissolve/100/gravity/South/fill/I2E4YThhOA==/font/5b6u6L2v6ZuF6buR/dx/10/dy/35" alt="" width="690" height="1227" data-qf-origin="forum/20221226203811front2_0_159363_FmEQJaqVMjiDQ2q8RPXlmaJMiCW3.jpg?watermark/3/image/aHR0cHM6Ly9waWMuYXBwLmZxbG9vay5jb20vYWRtaW5fRnYyNzVpbW1Hd0xnX0dTQ29mTWFoR3VkOHBiRC5wbmc=/dissolve/100/gravity/South/dx/10/dy/65/text/QOemj-a4heWkqeS4iw==/fontsize/400/dissolve/100/gravity/South/fill/I2E4YThhOA==/font/5b6u6L2v6ZuF6buR/dx/10/dy/35" /></p><p>2 沙尘暴结束</p><p class="empty_paragraph"> </p><p class="qf_image big noneditable" contenteditable="false"><img src="https://pic.app.fqlook.com/forum/20221226203845front2_0_159363_Fhd2XWOpeNdcq-nyMet7ZzrrkviM.jpg?watermark/3/image/aHR0cHM6Ly9waWMuYXBwLmZxbG9vay5jb20vYWRtaW5fRnYyNzVpbW1Hd0xnX0dTQ29mTWFoR3VkOHBiRC5wbmc=/dissolve/100/gravity/South/dx/10/dy/65/text/QOemj-a4heWkqeS4iw==/fontsize/400/dissolve/100/gravity/South/fill/I2E4YThhOA==/font/5b6u6L2v6ZuF6buR/dx/10/dy/35" alt="" width="690" height="1227" data-qf-origin="forum/20221226203845front2_0_159363_Fhd2XWOpeNdcq-nyMet7ZzrrkviM.jpg?watermark/3/image/aHR0cHM6Ly9waWMuYXBwLmZxbG9vay5jb20vYWRtaW5fRnYyNzVpbW1Hd0xnX0dTQ29mTWFoR3VkOHBiRC5wbmc=/dissolve/100/gravity/South/dx/10/dy/65/text/QOemj-a4heWkqeS4iw==/fontsize/400/dissolve/100/gravity/South/fill/I2E4YThhOA==/font/5b6u6L2v6ZuF6buR/dx/10/dy/35" /></p><p> </p><p> </p><p>火星知识小拓展</p><p> </p><p> </p><p> </p><p>1个火星年=1.9个地球年</p><p> </p><p> </p><p>像地球一样</p><p> </p><p>火星既会“倾斜着身子”自转，</p><p> </p><p>也围绕太阳公转</p><p> </p><p>火星的自转周期为</p><p> </p><p>24小时37分22.7秒</p><p> </p><p>自转轴倾角为25.19度</p><p> </p><p>都与地球非常接近</p><p> </p><p>因此和地球一样</p><p> </p><p>火星也存在昼夜交替和四季变化</p><p> </p><p>但由于火星距太阳较远</p><p> </p><p>轨道周期长</p><p> </p><p>火星年的长度比地球年长得多</p><p> </p><p>火星的公转周期约为687个地球日</p><p> </p><p>也就是说</p><p> </p><p>每过1个火星年</p><p> </p><p>相当于过了约1.9个地球年</p><p> </p><p> </p><p> </p><p>四季长度不均</p><p> </p><p> </p><p>火星围绕太阳运行的轨道</p><p> </p><p>是一个偏心率为0.093的椭圆</p><p> </p><p>比地球公转轨道扁得多</p><p> </p><p>所以火星上的四季长度不均匀</p><p> </p><p>天文学家计算发现</p><p> </p><p>火星北半球的春夏季比秋冬季</p><p> </p><p>长三分之一左右</p><p> </p><p> </p><p> </p><p>“火星人”必须抗冻</p><p> </p><p> </p><p>总体来说</p><p> </p><p>火星上的温度很低</p><p> </p><p>火星年平均气温</p><p class="empty_paragraph"> </p><p>约为零下60摄氏度</p><p> </p><p>最高温度仅10摄氏度左右</p><p> </p><p>最低温度甚至可以降到</p><p> </p><p>零下100多摄氏度</p><p> </p><p>要想成为“火星人”</p><p> </p><p>必须特别能抗冻才行</p><p> </p><p>来源：福建科普</p> <!----></div>
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