The Corona Club was founded in 1900 by Sir William Hamilton to unite the Colonies and Great Britain more closely by social intercourse. Research Corona Club
The narcissus is a genus of hardy bulbous plants, belonging to the family Amaryllidaceae. They have linear or strap-shaped leaves and usually beautiful flowers, either white or yellow, the perianth tubular below and its segments spreading above, the mouth of the perianth-tube being surmounted by a corona. Research Narcissus
The Passion flower (Passiflora) is a genus of chiefly American climbing vines or shrubs of the order Passifloraceae. They have variously lobed or undivided leaves, mostly alternate, and stout tendrils by which they climb. They often have large and showy flowers, often blue, purple, white, red or yellow in colour,. The cup-shaped recptavle bears four or five sepals, an equal number of petals, and a corona of very many spreading filaments. There are four or five spreading stamens with large anthers and a pulpy fruit which in some species is edible. Research Passion Flower
The acrosome is a thin cap of protoplasm encasing the head of a sperm. The acrosome is believed to contain an enzyme, hyaluronidase, that dissolves the coronaradiata, the protective outer coat of the ovum, making sperm penetration easier. The enzyme of the acrosome of one sperm is insufficient to break down the ovummembrane. Therefore, contrary to popular opinion, it takes more than one spermatozoon to produce a baby. Only one sperm, however, will actually penetrate the egg. Research Acrosome
The corona radiata is a group of follicular cells surrounding the zona pellucida. It is the gelatinous protective outer coat of the ovum. The thin cap surrounding the head of the sperm, called the acrosome, contains the enzyme hyaluronidase, which is capable of dissolving the corona radiata enabling sperm penetration. Research Corona Radiata
Constellations are the groups into which astronomers have divided the fixed stars, and which have received names for the convenience of description and reference. It is plain that the union of several stars into a constellation, to which the name of some animal, person, or inanimate object is given, must be entirely arbitrary, since the several points (the stars) may be united in a hundred different ways, just as imagination directs.
The grouping adopted by the Egyptians was accordingly modified by the Greeks, though they retained the Ram, the Bull, the Dog, etc; and the Greek constellations were again modified by the Romans, and again by the Arabians. At various times, also, Christianity has endeavoured to supplant the pagan system, the VenerableBede having given the names of the twelve apostles to the signs of the zodiac, and Judas Schillerius having, in 1627, applied Scripture names to all the constellations. Weigelius, a professor of Jena, even grouped the stars upon a heraldic basis, introducing the arms of all the princes of Europe among the constellations. The old constellations have, however, been for the most part retained.
Ptolemy enumerated forty-eight constellations, which are still called the Ptolemaean. They are the following: 1. The twelve signs of the zodiac. 2. Twenty-one constellations found in the northern hemisphere - the Great Bear (Ursa Major), the Little Bear (Ursa Minor), Perseus, the Dragon, Cepheus, Cassiopeia, Andromeda, Pegasus, Equulus (Horse's Head), the Triangle, the Waggoner (Auriga), Bootes, the Northern Crown (Corona Boredlis), Ophiuchus, the Serpent (Serpentarius), Hercules, the Arrow (Sagitta), the Lyre, the Swan (Cygnus), the Dolphin, the Eagle (Aquila). 3. Fifteen constellations in the southern hemisphere - Orion, the Whale (Cetus), Eridanus, the Hare (Lepus), the Great Dog (Canis Major), the Little Dog (Canis Minor), Hydra, the Cup (Crater), the Crow (Corvus), the Centaur, the Wolf (Lupus), the Altar (Ara), the Southern Fish (Piscis Australia), the Argo, the Southern Crown (Corona Australia). Others were subsequently added, this being especially rendered necessary by the increased navigation of the southern hemisphere, and now the different groups of stars have come to be associated with all sorts of animals and objects, including the Giraffe, the Fly, the Air-pump, the Compasses, etc.
The different stars of a constellation are marked by Greek letters, alpha denoting those of the first magnitude, beta,those of the second and so on. Stars of the sixth magnitude are the smallest visible to the naked eye. Several stars also have particular names. Research Constellation
Solar wind is a stream of atomic particles, mostly protons and electrons, from the Sun's corona, flowing outwards at speeds of between 300 kps and 1,000 kps. The fastest streams come from 'holes' in the Sun's corona that lie over areas where no surface activity occurs. The
solar wind pushes the gas of comets' tails away from the Sun, and 'gusts' in the solar wind cause geomagnetic disturbances and aurorae on Earth. Research Solar Wind
Abbreviations
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