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The angular distance of a planet from its perihelion, as seen from the sun. This is the true anomaly. The eccentric anomaly is a corresponding angle at the center of the elliptic orbit of the planet. The mean anomaly is what the anomaly would be if the planet's angular motion were uniform.

e first or conditional part of a hypothetical proposition; as, If the earth is fixed, the sun must move.

A halo opposite the sun, consisting of a colored ring or rings around the shadow of the spectator's own head, as projected on a cloud or on an opposite fog bank.

Formerly, a hymn sung in alternate parts, in present usage, a selection from the Psalms, or other parts of the Scriptures or the liturgy, set to sacred music.

A hypothetical earth counter to ours, or on the opposite side of the sun. Grote.

The Sunday after Easter; Low Sunday.

Of or pertaining to antiphony, or alternate singing; sung alternately by a divided choir or opposite choirs. Wheatly. -- An*tiph"o*nal*ly, adv.

An anthem or psalm sung alternately by a choir or congregation divided into two parts. Also figuratively. O! never more for me shall winds intone, With all your tops, a vast antiphony. R. Browning.

Opposite to the sun; -- said of the point in the heavens 180º distant from the sun.

hymns, which consisted of three stanzas or parts; the first of which, called strophe, was sung in turning from east to west; the other, named antistrophe, in returning from west to east; then they stood before the altar, and sang the epode, which was the last part of the song. Abp. Potter.

In two or more parts; asunder; to piece; as, to take a piece of machinery apart.

That point of a planet's or comet's orbit which is most distant from the sun, the opposite point being the perihelion.

Turning away from the sun; -- said of leaves, etc. Darwin.

The habit of bending from the sunlight; -- said of certain plants.

A prefix from a Greek preposition. It usually signifies from, away from, off, or asunder, separate; as, in apocope (a cutting off), apostate, apostle (one sent away), apocarpous.

A deity among the Greeks and Romans. He was the god of light and day (the "sun god"), of archery, prophecy, medicine, poetry, and music, etc., and was represented as the model of manly grace and beauty; -- called also Phébus. The Apollo Belvedere, a celebrated statue of Apollo in the Belvedere gallery of the Vatican pa…

Sung or addressed to one departing; valedictory; as, apoplectic songs or hymns.

necessarily opposed to, true or real); seeming; as the apparent motion or diameter of the sun. To live on terms of civility, and even of apparent friendship. Macaulay. What Berkeley calls visible magnitude was by astronomers called apparent magnitude. Reid. Apparent horizon, the circle which in a level plain bounds our…

Any tree genus Pyrus which has the stalk sunken into the base of the fruit; an apple tree.

To bask in the sun. Boyle.