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
The amniotic sac or âbag of watersâ is a double membrane in which a fetus develops within the uterus. The amniotic sac is fluid filled and helps keep the fetus safe from injury during pregnancy and allows room for movement. The amniotic sac is what ruptures when you hear someone say that their â water broke â.