GLOSSARY

Index : A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z .

kelvin (K)
Zero K is absolute zero; ice melts at 273 K (0° C, 32° F); water boils at 373 K ( 100° C, 212° F).

Kepler, Johannes 1571-1630
German astronomer and mathematician. Considered a founder of modern astronomy, he formulated the famous three laws of planetary motion. They comprise a quantitative formulation of Copernicus's theory that the planets revolve around the Sun.

kilogram (kg)
One kilogram is equivalent to 1,000 grams or 2.2 pounds; the mass of a liter of water.

kilometer (km)
One kilometer is equivalent to 1,000 meters or 0.62 miles.

Kowal, Charles T. 1940-
American astronomer. Kowal discovered Leda and comet-like object Chiron.

Kuiper, Gerard, 1905-1973
Dutch-born American astronomer. Kuiper is best known for his study of the surface of the Moon. He discovered Miranda and Nereid and found an atmosphere on Titan.

HOME