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Ridgefield Photo Essay
2m 54s
/ TV-G
The sights and sounds of the wildlife at the Ridgefield Wildlife Refuge.
Oregon Field Guide is your destination for outdoor recreation, ecology, natural resource and travel stories from across Oregon and the Pacific Northwest.
Video description: When two black holes collide in deep space, they momentarily release more power than all the stars in the universe combined. That energy warps space and time, traveling through the universe as a gravitational wave. By the time they reach Earth, the waves are impossibly faint. But scientists in eastern Washington have built a cutting edge instrument that is revealing the universe as never before.