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
Cysts are fluid-filled sacs that can form in the ovaries. They are very common in women, especially during the childbearing years. Often they form during the process of ovulation. It can happen when the egg is not released or when the sac -- follicle -- holding the egg doesn't dissolve after the egg is released.