(Photograph) - John Parkinson, director of science and mathematics at Sheffield Hallam University, a member of the UK eclipse co-ordinating group, has been touring Plymouth and Penzance in preparation for next August's total eclipse of the sun. He has been testing a device for tracking the eclipse created by physics pupils from Helston School.
请先注册再继续
为何要注册?
- 注册是免费的,而且十分便捷
- 注册成功后,您每月可免费阅读3篇文章
- 订阅我们的邮件
已经注册或者是已订阅?
Please or to read this article.