For the 2017 eclipse over the United States, the National Science Foundation-funded movie project nicknamed Citizen CATE will have more than 200 volunteers trained and given special small telescopes and tripods to observe the sun at 68 locations in the ex รายละเอียด...
Eclipse science
เผยแพร่: โดย: MGR Online
กำลังโหลดความคิดเห็น
