Glossary K

The Ka-band is a range of radio frequencies in the microwave part of the electromagnetic spectrum. It is located between the frequencies of 26.5 GHz and 40 GHz.

Kerosene, paraffin, or lamp oil is a combustible hydrocarbon liquid which is derived from petroleum. It is widely used as a fuel in aviation as well as households.

Kevlar (para-aramid) is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora.

Tthe Kuiper Belt is a region of the Solar System that lies beyond the orbit of Neptune and is populated by a large number of small, icy bodies. The Kuiper Belt is thought to be the source of comets that are occasionally seen in the inner Solar System.