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This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...
However, the Blue Nile is the source of most of the water of the Nile downstream, containing 80% of the water and silt. The White Nile is longer and rises in the Great Lakes region. It begins at Lake Victoria and flows through Uganda and South Sudan. The Blue Nile begins at Lake Tana in Ethiopia [11] and flows into Sudan from the southeast.
The Kagera River, which flows into Lake Victoria near the Tanzanian town of Bukoba, is the longest feeder river for Lake Victoria, although sources do not agree on which is the longest tributary of the Kagera, and hence the most distant source of the Nile. [7] The source of the Nile can be considered to be either the Ruvyironza, which emerges ...
Energy in Sudan describes energy and electricity production, consumption and imports in Sudan. The chief sources of energy in 2010 were wood and charcoal, hydroelectric power, and oil. [1] Sudan is a net energy exporter. Primary energy use in Sudan was 179 TWh and 4 TWh per million persons in 2008. [2]
The Luvironza River is the source of the Nile in the sense that it is in the Nile basin, and the distance by river from its headwater to the mouth of the Nile is 6,671 kilometres (4,145 mi), longer than the distance from any other headwater. [4] [a] It is a tributary of the Ruvubu River, a tributary of the Kagera River, which flows in Lake ...
The source of the Rukarara is now known to be the overall source of the Nile. [ 2 ] [ 3 ] This was confirmed by a 2005/2006 expedition up the river with modern navigation equipment. The origin of the Nile, the furthest source from its mouth, is at an elevation of 7,966 feet (2,428 m), at latitude and longitude 2°16′055.962″S 29°19′052. ...
The most remote source that is indisputably a source for the White Nile is the Kagera River, which was discovered by German explorer Oscar Baumann, and geographically determined in 1937 by Burkhart Waldecker; [20] however, the Kagera has tributaries that are in contention for the farthest source of the White Nile.
Energy carriers are obtained through a man-made conversion process from primary energy sources. Most suitable for the production of energy carriers are abundant and renewable primary energy sources (like sun, water, wind, etc.) while the use of precious and limited nonrenewable sources like oil is usually avoided as much as possible.