Arts & Entertainment

LIGO Hanford Observatory tours planned in December

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. Tri-City Herald file

The LIGO Hanford Observatory is offering public tours in December.

The first is from 1:30 to 3:30 p.m. Dec. 12, and the second is from 3 to 5 p.m. Dec. 26.

The tours are free and open to all ages.

“Your LIGO host will give a presentation about LIGO and will provide a walking tour of the observatory. Comfortable shoes and seasonal clothes are recommended,” a news release said.

The facility, west of Richland off Hanford Highway 10, is wheelchair accessible

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

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