单词:earth plasmasphere
单词:earth plasmasphere 相关文章
VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith with EXPLORATIONS in VOA Special English. This week, we hear some unusual sounds from space. Scientists created them by taking radio wave observations and turning them into sound waves
Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen
Don: It's time once again for one of those Moments of Science that we like to call Never Thought to Ask.Our never thought to ask question for the day is: Why is the earth round? Ya?l: Why is the earth round? I never thought to ask that. D: Of course
What is at the center of the universe? 宇宙的中心是什么? It's an essential question that humans have been wondering about for centuries. 这是个很重要的问题,几百年来,人们一直在探索。 But the journey toward an answer