Visitors at Hanford LIGO look down one of two vacuum tubes extending 2.5 miles at right angles across the shrub steppe near Richland.
Visitors at Hanford LIGO look down one of two vacuum tubes extending 2.5 miles at right angles across the shrub steppe near Richland. Courtesy LIGO
Visitors at Hanford LIGO look down one of two vacuum tubes extending 2.5 miles at right angles across the shrub steppe near Richland. Courtesy LIGO

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May 28, 2017 5:33 PM

Hanford LIGO announcement set for Thursday

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