夏威夷将建巨型望远镜

Premium Content

12 July 2019

150151_4bc7d86886ac1f0c63fd1414499597d19778725c_942550

该TMT望远镜效果图

位于美国夏威夷的、预算14亿美元的TMT望远镜(意为“30米望远镜”)将于近日开建。该望远镜将由一个名为“TMT望远镜国际天文台”的国际协作实体承建,参与建设的天文学家来自日本、中国、美国、印度和加拿大。

根据提议,该望远镜将建在一座4267米高的休眠火山山顶上,那里没有空气和光污染,据称可以改善观测效果。

该望远镜的镜面直径为30米,它的宽度将是目前世界上最大的光学望远镜的三倍,面积将是其九倍。该镜面将由492个独立的六角反射镜片拼成。

据估计,该TMT望远镜的工期可达10年。

Will fuel-agnostic engines power the next era of construction?
Flexible engine platforms are emerging as a way to balance performance, flexibility and future regulatory demands
Beyond torque: The challenge of power management for crushing equipment
How OEMs and operators are managing to maximise uptime for equipment that has to pass the ultimate stress test on a daily basis
Crawler-mounted boom lifts rise to the challenge of bridge work
From remote creek beds to inner city overpasses, crawler-mounted boom lifts are proving indispensable for bridge construction, inspection and maintenance