SNOW n.
of perpetual snow. In the Alps this is at an altitude of 9,000 feet, in the Andes, at the equator, 16,000 feet. -- Snow mouse (Zoöl.), a European vole (Arvicola nivalis) which inhabits the Alps and other high mountains. -- Snow pheasant (Zoöl.), any one of several species of large, handsome gallinaceous birds of the…
SOLSTICE n.
The point in the ecliptic at which the sun is farthest from the equator, north or south, namely, the first point of the sign Cancer and the first point of the sign Capricorn, the former being the summer solstice, latter the winter solstice, in northern latitudes; - - so called because the sun then apparently stands sti…
SPHERE n.
and on which the various astronomical circles, as of right ascension and declination, the equator, ecliptic, etc., are conceived to be drawn; an ideal geometrical sphere, with the astronomical and geographical circles in their proper positions on it.
TROPIC n.
One of the two small circles of the celestial sphere, situated on each side of the equator, at a distance of 23º 28min, and parallel to it, which the sun just reaches at its greatest declination north or south, and from which it turns again toward the equator, the northern circle being called the Tropic of Cancer, and…