Astronomical Dictionary on Letter #L

Light Year

The distance that light can travel in one year. Tnisis equal to about 5.84 trillion miles (9.47 Tril...

Limb

The outer edge of the disc of a celestial body. The leading limb of an object is termed the precedi...

Luminosity

Absolute brightness. The rate at which a star emits radiant energy. It is expressed as a multiple of...

Lunation

The period between successive New Moons. The term also refers to the synodic month or period between...

Lakshmi

In Indian mythology, the goddess of all forms of wealth. The reverence for cows in Hindu India is ba...

Leverrier

Urbain Jean Joseph Le Verrier (1811-1877) French astronomer who performed the calculations that pred...

Lineament

A linear topographic feature, such as a fault line, aligned volcanoes, or straight stream course....

Loki

In Scandinavian mythology, a mischievous trickster, thief and slanderer. ...