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1、湘教版地理必修一第一章宇宙中的地球知识点总结第一节 地球的宇宙环境一、要点总结：1.天体的定义：天体是宇宙间物质的存在形式。2.最基本的天体是恒星和星云。3.天体的分类：（1）自然天体：恒星、星云、行星、卫星、流星体、彗星、星际物质等。（2）人造天体：宇宙飞船、航天飞机、人造卫星、宇宙探测器、太空垃圾等。4.天体系统：天体之间相互吸引、相互绕转，组成天体系统。5.天体系统的层次：天体系统按照层次从高到低可分为四级，分别是总星系、银河系、太阳系、地月系。6.太阳系：八大行星以及矮行星、小行星、彗星、流星体等天体围绕太阳公转构成太阳系。太阳是太阳系的中心天体。7.地球上产生生命的原因：（1）宇宙环
2、境（外因）：稳定的光照条件；安全的运行轨道。（2）自身条件（内因）：日地距离适中、自转周期适中产生了适宜的温度；地球的质量和体积适中产生了适合生物呼吸的大气；精品资料-欢迎下载-欢迎下载 名师归纳-第 1 页，共 11 页 -地球内部的物质运动产生了液态水。二、图表说明：1.图 1-3(课本第 8 面)太阳系示意（1）按照距离太阳由远及近的顺序找出太阳系的八大行星，地球的左邻右舍，明确地球在太阳系中的位置。（2）了解小行星带位于火星轨道与木星轨道之间，即类地行星轨道与巨行星轨道之间（火烧木头灰渣多）。（3）认识彗星的特点；扁长的椭圆轨道，彗尾的长度与其距离太阳远近有关（近长远短）。（4）2.教
3、材第 11 页 行星基本数据表（1）八大行星的分类：类地行星，巨行星，远日行星。（2）除地球外最有可能产生生命的行星及原因。第二节 太阳对地球的影响1.太阳辐射：太阳辐射是太阳以电磁波的形式向宇宙间放射的能量。2.太阳辐射按照波长由短到长分为紫外光、可见光、红外光三部分。太阳辐射能主要集中在波长较短的可见光波段。3.狭义的太阳能仅指太阳辐射能，广义的太阳能不仅包括太阳辐射能，还包括煤、石油、天然气、风能、水能等。4.太阳辐射对地球的影响：（1）人们可直接利用太阳能（农业生产光合作用，太阳能发电，太阳能晾晒衣服、粮食）；（2）为人类提供矿物能源如煤、石油、天然气。（3）太阳辐射是地球大气运动，水
4、循环的主要能源（风能、水能）。5.（1）四川盆地是中国太阳年辐射总量最少的地区，原因是：盆精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页，共 11 页 -文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J
5、8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4
6、HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3
7、V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7
8、 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7
9、T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H1
10、0文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10地地形，水
11、汽不易散发；空气中的水汽含量多，阴天、雾天较多，大气对太阳辐射的削弱作用强，到达地面的太阳辐射能量少。（2）青藏高原是中国太阳年辐射总量最多的地区，原因是：海拔高，空气稀薄，空气中的尘埃含量较少，晴天较多，日照时间较长。大气对太阳辐射的削弱作用小，到达地面的太阳辐射能量多。6.我们能直接观测到的太阳，是太阳的大气层。由里向外依次是光球、色球、日冕。7.各个圈层的太阳活动：（1）光球：黑子；（2）色球：日珥、耀斑；（3）日冕：太阳风。8.太阳活动的两个重要性质：（1）周期性：太阳黑子数目的变化，大体上以11 年为周期。黑子数目多的年份称为太阳活动高峰年，黑子数目少的年份称为太阳活动低峰年。（2）
12、整体性：黑子数目最多的地方和时期，也是耀斑等其他形式的太阳活动出现频繁的地方和时期，这体现了太阳活动的整体性。9.太阳活动对地球的影响：（1）影响气候，使降水年际变化与太阳活动呈相关性。（2）扰乱电离层，影响短波通信。（3）干扰地球磁场，产生磁暴现象。（4）在高纬地区产生极光。第三节 地球的运动地球的自转一、地球自转的基本特征1.概念：地球围绕地轴自西向东旋转，称为地球的自转。精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页，共 11 页 -文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K
13、7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H
14、10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码
15、:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7
16、J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4
17、 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R
18、3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K
19、7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H102.方向：自西向东，从北极上空看，地球呈逆时针方向旋转；从南极上空看，地球呈顺时针方向旋转（北逆南顺）。3.地轴的空间位置：基本稳定，地轴的北端始终指向北极星附近。4.周期地球自转的角度长度意义太阳日3605924 小时昼夜交替的周期恒星日36023 小时 56 分 4 秒地球自转的真正周期5.速度（1）角速度：全球除
20、了南北极点之外都为15/小时（2）线速度：由赤道向两极递减，南北纬60约为赤道的一半。赤道上线速度约为1670千米/小时。注意：南北极点由于相对地球自转来说是静止的两个点，所以南北极点既无角速度，又无线速度。二、地球自转的地理意义1.昼夜交替（1）昼夜现象产生的原因：地球不发光、不透明。（2）昼夜交替的原因：地球不停的自转。（3）昼夜交替的周期：24 小时（4）昼夜交替的意义：昼夜交替的周期不长，使地表增热和冷却不致过分剧烈，保证了地球上有机体的生存和发展；使生物形成昼夜节律。（5）晨昏线：由于地球是一个不发光、不透明的球体，所以同一时间里，太阳只能照亮地球的一半。向着太阳的半球是白天（昼半球
21、），背着太阳的半球是黑夜（夜半球）。昼半球和夜半球的精品资料-欢迎下载-欢迎下载 名师归纳-第 4 页，共 11 页 -文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7
22、ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T
23、2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10
24、文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:C
25、Z4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8
26、O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 H
27、C10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10分界线（圈）叫晨昏线（圈）。它是由晨线和昏线组成
28、。在日照图上，晨线和昏线的判断方法，一是根据地球自转方向判断：顺着地球自转方向，由昼半球过渡到夜半球的分界线是昏线，由夜半球过渡到昼半球的分界线是晨线。二是根据昼夜半球判断：位于昼半球西部边缘与夜半球的分界线为晨线，位于昼半球东部边缘与夜半球的分界线为昏线。2.沿地表水平运动物体的偏移（1）概念：由于地球自转，地球表面的物体在沿水平方向运动时，其运动方向发生一定的偏转。我们把促使物体水平运动方向发生偏转的力，称为地转偏向力。（2）方向：面向物体的运动方向，北半球向右偏转，南半球向左偏转，赤道上不偏转。（3）判定方法：北半球用右手，南半球用左手，手心向上，大拇指张开约 45角，四指对准物体原运动
29、方向，大拇指的指向即为物体水平运动的偏向。3.地方时（1）概念：以一个地方太阳升到最高的时间为正午12 时，将连续两个 12 时之间等分为 24 个小时，这样形成的时间系统，称为地方时。（2）计算所求地地方时=已知地地方时时间差加减号的用法：东加西减，所求地在已知地的东侧用加法，所求地在已知地的西侧用减法；东西的判定：如果两地都位于东经度，那么度数大的在东侧，如果两者都位于西经度，那么度数小的的东侧，精品资料-欢迎下载-欢迎下载 名师归纳-第 5 页，共 11 页 -文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R
30、3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K
31、7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K
32、7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H
33、10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码
34、:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7
35、J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4
36、 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10如果两地一个位于东经度，一个位于西经度，那么东经度在东侧，西经度在西侧。时间差由所求地与已知地的经度差来计算：经度每相差15，地方时相差 1 个小时。经度每相差1，地方时相差4 分钟。4.时区和区时（1）时区：1884年国际经度会议规定，全球按经度分为24 个时区，每区各占经度 15。以本初子午
37、线为中央经线的时区为零时区，由零时区向东、西各分12 区，东、西 12 区都是半时区，共同使用 180经线的地方时。（2）区时：各时区都以本时区中央经线的地方时，作为本区的区时。例如东八区的中央经线为120E，东八区就采用120E的地方时作为这个区域内统一采用的时间。（3）计算已知时区序号，求中央经线度数中央经线度数=时区序号 15已知经度，求时区序号时区序号=经度数 15 结果四舍五入后即为时区序号。已知某一时区的区时，求另一时区的区时所求地区时=已知地区时时区差5.日期和国际日期变更线日期分界线有两条（1）国际日期变更线：大致与180经线重合，是人为划定的，并且是固定的。国际日期变更线的两
38、侧地方时相同，日期相差精品资料-欢迎下载-欢迎下载 名师归纳-第 6 页，共 11 页 -文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编
39、码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K
40、7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V
41、4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10
42、R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5
43、K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2
44、K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10一天。国际日期变更线的西侧是新的一天，东侧是旧的一天。（2）0 时经线：0 时
45、经线即地球上0 时所在的那条经线，是自然产生的，太阳直射哪条经线，哪条经线就是正午12 时，与其相对的那条经线的时间就是0 时，那条经线也就是0 时经线。由于太阳直射点是不断移动的，所以 0 时经线也是不断变化的。0时经线的东侧是新的一天，西侧是旧的一天。地球的公转一、地球公转1.概念：地球绕太阳运行叫公转，其路径叫公转轨道。地球公转轨道面叫黄道面。2.方向：自西向东，从北极上空看，地球呈逆时针方向旋转；从南极上空看，地球呈顺时针方向旋转（北逆南顺）。3.周期：长度意义恒 星年365日 6 时 9 分10秒地球公转的真正周期回 归年365 日 5 时 48分 46 秒太阳直射点回归运动的周期,
46、四季更替的周期4.轨道形状：近似正圆的椭圆，太阳位于两焦点之一。5.速度：（1）角速度：约 1/天；（2）线速度：约 30 千米/秒。6.近日点和远日点：地球公转轨道上离太阳最近的点叫近日点，离精品资料-欢迎下载-欢迎下载 名师归纳-第 7 页，共 11 页 -文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文
47、档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ
48、4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O
49、7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC
50、10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7J5K7 ZS2K7T2A8H10文档编码:CZ4K7J8O7V4 HC10R3V7