adj. Of, relating to, or concerned with the stars or constellations; stellar.

adv. In a contrary or counterclockwise direction.

adj. Beyond or different from what is natural, or according to the regular course of things, but not clearly supernatural or miraculous; therefore, something which is strange, inexplicable, extraordinary, uncommon, irregular or abnormal.

n. A 19-line poem of fixed form consisting of five tercets and a final quatrain on two rhymes, with the first and third lines of the first tercet repeated alternately as a refrain closing the succeeding stanzas and joined as the final couplet of the quatrain.

[French, from Italian villanella, from feminine of villanello, rustic, from villano, peasant, from Vulgar Latin *vllnus, from Latin vlla, country house.]

adj. Luminous at night. Used especially of certain high clouds.

n. A flourish added after or under your signature (originally to protect against forgery).

n. (Meteorol.) A mist, or very fine rain, which sometimes falls from a clear sky a few moments after sunset.

adj. Transparently clear; easily understandable; clear or lucid.

[Middle English, shiny, from Latin luculentus, from lux, luc-, light.]

n. A poisonous Eurasian evergreen shrub (Nerium oleander) having fragrant white, rose, or purple flowers, whorled leaves, and long follicles containing numerous comose seeds. Also called rosebay.

n., pl. -dos.

1. The fraction of incident electromagnetic radiation reflected by a surface, especially of a celestial body.
2. The spongy white tissue on the inside of the rind of citrus fruit.

[Late Latin albedo, whiteness, from Latin albus, white.]

As Vangelis could tell you, the Earth's albedo is (or was) 0.39---how brightly we shine in the universe.