Assertion: radio wave's wavelength | /r/HasProperty | large
Facets:
value: as a mountain
type: OTHER
Source sentences:
text: Some wavelengths can be as large as a mountain, and so astronomers have built extended arrays of radio telescopes.
text: Because the wavelengths of radio light are so large, a radio telescope must be physically larger than an optical telescope to be able to make images of comparable clarity.