Arts & Entertainment

LIGO Hanford Observatory tours offered Feb. 13 and 26

Tri-City Herald
A tabletop model demonstrates how lasers are used in the 2 1/2 mile tunnels at LIGO. The laser beam on the right is split and sent to mirrors on the left and lower right to bounce back to the center. Because the mirrors are not at exactly the same distance, the light spot appears on the wall.
A tabletop model demonstrates how lasers are used in the 2 1/2 mile tunnels at LIGO. The laser beam on the right is split and sent to mirrors on the left and lower right to bounce back to the center. Because the mirrors are not at exactly the same distance, the light spot appears on the wall. Rajah Bose Herald file photo

Public tours of the LIGO Hanford Observatory are planned Feb. 13 and 26.

Times are from 1:30 to 3:30 p.m. Feb. 13 and from 3 to 5 p.m. Feb. 26.

The observatory is west of Richland on Horn Road, 127124 North Highway 10. The tours are free and open to all ages. Participants should wear comfortable shoes and seasonal clothes.

The observatory is wheelchair accessible.

For more information, call 509-372-8181, email outreach@ligo-wa.caltech.edu or go to www.ligo-wa.caltech.edu.

This story was originally published February 7, 2016 at 10:39 PM with the headline "LIGO Hanford Observatory tours offered Feb. 13 and 26."

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