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Spacecraft nadir point: 3.6° S, 31.1° E

Photo center point: 1.0° S, 33.0° E

Nadir to Photo Center: Northeast

Spacecraft Altitude: 245 nautical miles (454km)
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Image Caption: STS-57 Earth observation taken aboard Endeavour, Orbiter Vehicle (OV) 105, is of Africa's Lake Victoria, which sits in the middle of the East African Rift Valley System.Lake Victoria is a major resource in eastern Africa, especially to the countries bordering the lake -- Uganda, Kenya and Tanzania. Typical summer indicators in equatorial Africa -- puffy clouds over land mass and clear skies over the lakes -- are in the view. Lake Albert in the western section of the Rift Valley and Lake Turkana in the eastern section can be seen to the west and east of Lake Victoria, respectively. Most of the other features on the right are obscured by clouds. NASA scientists studying the STS-57 Earth photography point out that the wide perspective of this scene gives a sense of the three-dimensional profile of the whole rift system. The scientists cite the way in which the component valleys of the rift system ramp up to Lake Victoria on either side.