Science / Astrology / Vernal: From the Latin vernus, belonging to spring; of or pertaining to spring. See also equinox.


Science / Biology / Vernalization: Artifcial exposure of seeds or seedlings to cold to enable the plant to fiower. MORE

Vernal Equinox

Science / Weather / Vernal Equinox: Taking place in the Northern Hemispheric spring, it is the point at which the ecliptic intersects the celestial equator. Days and nights are most nearly equal in duration. It falls on or about March 2 MORE


Science / Weather / Season: A division of the year according to some regularly recurring phenomena, usually astronomical or climatic. For example, in the Northern Hemisphere, winter is said to begin on the winter solstice and en MORE


Science / Tides and Currents / Time: Time is measured by the rotation of the Earth with respect to some point in the celestial sphere and may be designated as sidereal, solar, or lunar, according to whether the measurement is taken in re MORE


Science / Weather / Spring: The season of the year which occurs as the sun approaches the summer solstice, and characterized by increasing temperatures in the mid-latitudes. Customarily, this refers to the months of March, April MORE


Science / Weather / Year: The interval required for the earth to complete one revolution around the sun. A sidereal year, which is the time it take for the earth to make one absolute revolution around the sun, is 365 days, 6 h MORE