Science and Technology · Gravitational-Wave Observatories
The proposed Einstein Telescope (ET) is envisioned as which of the following infrastructures?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A high-altitude, ground-based optical telescope network situated across the Andes mountains.
- 2An underwater neutrino detector array submerged deep within the Mediterranean Sea.
- 3A space-based laser interferometer constellation placed in a heliocentric orbit trailing Earth.
- 4An underground, third-generation gravitational-wave observatory built at least 200 metres beneath the surface.✓
Correct answer
An underground, third-generation gravitational-wave observatory built at least 200 metres beneath the surface.
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