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Was Hanford LIGO Built on a Flat Earth or Globe?
#208 | 6/30/2021 | Author: FE Dogma | Type: Youtube | Keywords: LIGO, Globe vs. Flat Earth, Blueprints, Differential GPS
Will top of beam tube concrete slab elevations from Hanford LIGO blueprints conform to a flat earth or globe? Blueprint links below.
GPS Beam Tube Alignment; Hanford LIGO Blueprints; NW Arm Elevations; Flat Earth NW Arm Model; Globe NW Arm Model; Globe SW Arm Model.
Laser Interferometer Gravitational-Wave Observatory (LIGO)
#160 | Author: LIGO Scientific Collaboration, LSC | Type: Website | Keywords: LIGO, Gravity, Gravitational Waves, Observatory, Astronomy, Earth's Curvature, Drop, Built in, Construction
The Laser Interferometer Gravitational-Wave Observatory (LIGO) is a large-scale physics experiment and observatory to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool.
LIGO’s arms are long enough that the curvature of the Earth was a factor in their construction. Over the 4 km length of each arm, the Earth curves away by nearly a meter! Precision concrete pouring of the path upon which the beam-tube is installed was required to counteract this curvature.