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总结
多家媒体介绍“近日点”概念：地球每年1月上旬会运行到距离太阳最近的位置，通常在1月3日前后，距离约1.47亿公里。这是因为地球绕日轨道略呈椭圆，并非圆形。报道强调，地球此时更接近太阳并不意味着北半球更热，季节主要由地轴倾斜决定；近日点只会让太阳视直径和接收辐射略有增加，对体感与气候影响有限，但会使地球公转速度略快、南北半球季节长短出现轻微差异。
正文
What is perihelion? Here's why Earth is closer to the Sun on January 3 Yahoo Earth at Perihelion: What happens when we're nearest to the sun Times of India Rare alignment of Earth, moon and sun in early January EarthSky Mangaluru Corporation to identify ward-wise feeding zones for street dogs Udayavani Earth to reach its closestpoint to Sun on Saturday Qatar Tribune
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