Close to sunset and sunrise bright stars like Sirius or even Canopus can be spotted with the naked eye as long as one knows the exact position in which to look. Historically, the zenith of naked-eye astronomy was the work of Tycho Brahe (1546â1601).
The egg sac, irregular in shape, about the size of a tennis ball, is often seen in the garden, suspended by silk threads. Spider bite in southern Africa: diagnosis and management: the diagnosis of spider bite, especially when the patient is unaware of having been bitten, can be difficult
egg. 1. The mature reproductive cell of female animals. The nucleus of an egg is capable of fusing with the nucleus of a sperm (the male reproductive cell) to form a new organism. In many species, eggs are produced by the ovaries. An egg carries half as many chromosomes as the other cells of the body. Also called ovum.2.In many animals, a structure consisting of this reproductive cell together with nourishment for the developing embryo and often a protective covering. It is laid outside the body of the female.n egg carries half as many chromosomes as the other cells of the body. Also called ovum. 2. In many animals, a structure consisting of this reproductive cell together with nourishment for the developing embryo and often a protective covering.