Solar energy
主讲：陈宇 （180109）
Solar energy
1. how does solar energy generate？2. what are the advantages of    solar energy？3. how can we make full use of solar energy？4. The future solar energy
Inside the sun by "hydrogen" fusing into "helium" nuclear reactions, kept releases enormous amounts of energy  内部氢原子发生聚变释放出巨大核能