pâlâye-ye Lyot (#)
Fr.: filtre de Lyot
A type of narrow-band filter consisting of a series of birefringent crystals and polarizers invented by the French astronomer Bernard Lyot (1897-1952) for isolating and observing significant wavelengths of solar light.
The Lyre. A small, bright constellation in the northern hemisphere at about 19h right ascension, 40° declination. The brightest star in Lyra is → Vega.
L. lyra, from Gk. lyra, a foreign word of uncertain origin.
Cang "harp," frpm Mid.Pers. cang "harp."
A meteor shower that occurs between 18 and 24 April. Its radiant is in the constellation → Lyra.
Lysithea (Jupiter X)
The eleventh of Jupiter's known satellites; it is 36 km across and orbits Jupiter at a distance of about 11,720,000 km with a period of 259 days. It was discovered by S. Nicholson in 1938.
Lysithea was a daughter of Oceanus and one of Zeus' lovers.