A syndrome of inappropriate secretion of ADH results in the inability to put out dilute urine, perturbs fluid (and electrolyte) balance, and causes nausea, vomiting, muscle cramps, confusion and convulsions.
Ganymede Jupiter III Taking a new step...is what people fear most. - Dostoyevski. Ganymede [GAN-ee-meed] is the largest moon of Jupiter and is the largest in our solar system with a diameter of 5,262 km (3,280 miles). If Ganymede orbited the Sun instead of Jupiter it could be classified as a planet. Like Callisto, Ganymede is most likely composed of a rocky core with a water/ice mantle and a crust of rock and ice. Its low density of 1.94 gm/cm 3, indicates that the core takes up about 50% of the satellite's diameter.
Varuna is 900 km wide and nearly as large as the behemoth asteroid Ceres (933 km). Then came 2001 KX76, a discovery of the NASA-funded Deep Ecliptic Survey. 2001 KX76 was a sensation for a while last month when widespread reports credited it with dethroning Ceres as the solar system's largest asteroid.