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我们生活在一个充满光的世界里,这些光都是从哪里来的呢?你见过日食和月食现象吗?有没有想过这些现象是怎么形成的?雷电交加的夜晚,我们总是先看到闪电后听到雷声,你知道这是为什么吗?今天,我们就一起来揭开这些大自然中的秘密.光从哪里来我们生活在一个充满阳光的世界.阳光来自发光的太阳.在生活中除了太阳给我们带来光明以外.还有哪些物体可以发光呢?电灯、篝火、蜡烛、萤火虫、水母、流星等都可以发出光.我们把能够自行发光的物体叫作光源.记住.只
We live in a world full of light, where did these light come from? Have you ever seen the phenomenon of eclipse and eclipse? Have you ever wondered how these phenomena were formed? Thunder and lightning, we always Do you know why this is the first thing you see when you see the lightning? Today, we come together to uncover the secrets of nature. Where Light Comes We live in a sun-filled world. In life, besides the sun brings us light, what other objects can emit light? Lights, bonfires, candles, fireflies, jellyfish, meteors, etc. can all emit light.We call the object that can emit its own light as a light source. Live. Only