The sky is the part of the atmosphere or of outer space visible from the surface of any astronomical objects . It is difficult to define precisely for several reasons. During daylight the sky of Earth has the appearance of a deep blue surface, but this is the result of the air scattering sunlight. The sky is sometimes defined as the denser gaseous zone of a planet atmosphere . At night the sky has the appearance of a black surface or region scattered with stars.
Bosnia's mystery pyramid is to be investigated and inspected by a team of experts from the United Nations Educational, Scientific and Cultural Organisation.
Semir Osmanagic, an amateur archaeologist, has caused a stir with his find at Visocica hill in the centre of Bosnia, although local and European archaeologists denounce it as nonsense.
Geologist Aly Abd Barakat, an Egyptian researcher sent by Cairo to assist Mr Osmanagic's team last month, has said that the 2,300ft hill did appear to be a primitive man-made pyramid of uncertain age.
Mr Barakat said huge stone blocks found on the three sides of the hill used the same type of artificial cement as ancient Egyptian pyramids
June 06, 2006.
