It's another type of telescope. In history we first observed waves in the visible spectrum, then perhaps infrared, radio, microwave, ultraviolet, X-ray, etc.

It's another type of telescope. In history we first observed waves in the visible spectrum, then perhaps infrared, radio, microwave, ultraviolet, X-ray, etc. * https://en.wikipedia.org/wiki/Telescope#By_spectrum https://en.wikipedia.org/wiki/Telescope#By_spectrum This will allow measurements of another type of wave. * https://en.wikipedia.org/wiki/Gravitational-wave_astronomy https://en.wikipedia.org/wiki/Gravitational-wave_astronomy