A new observatory based on a concept more than 100 years old is nearing completion in Flagstaff, Arizona.

根据一个100多年前的构想在亚利桑那州弗拉格斯塔夫建造的一座新天文台快竣工了。

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Pluto was first discovered in 1930 by Clyde W. Tombaugh at the Lowell Observatory in Flagstaff Arizona.

冥王星在1930年首次被克莱德w。汤博发现于亚利桑那州弗拉格斯塔夫的洛厄尔天文台。

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In eighteen ninety-four, he built an observatory near Flagstaff,Arizona.

VOA: special.2010.07.11

The recent conference I attended at the Lowell Observatory in Flagstaff to celebrate the 100th anniversary of his first measured Doppler shift, was a great opportunity to learn more about him.

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