![]() The rim, about 6 miles across, rises 25–30 metres above the crater’s basin. In the lower-right corner of the image is the Connolly Basin impact crater, believed to have been formed about 60m years ago. ![]() ![]() The areas burned by the Pintupi people became overgrown, becoming even more susceptible to fires caused by people or lightning, which then burn out of control, leaving behind large burn scars. Many of the Pintupi people moved to settlements when the British military began testing missiles in the region in the 1950s. To the left, the strange shapes in varying shades of blue are the remnants of areas purposefully burned by the Pintupi people to encourage plant growth or drive game animals into the open. A drought in the 1980s forced the indigenous Pintupi people to the central-eastern area of the desert, where they made contact with the rest of Australian society. The Gibson Desert extends over more than 58,000 sq miles and sports gravel terrains covered by desert grasses, as well as red sandy plains and dune fields. It is the combination of rough topography, strong tidal currents, and stratified water from the ocean exchange that makes the Lombok Strait famous for the generation of intensive internal waves. Because of the variation in water movement due to the complexity of the channels and ocean interface, the tides in the strait have a complex rhythm but tend to combine about every 14 days to create an exceptionally strong tidal flow. The bottom of the strait is complex and rough, consisting of two main channels, one shallow and one deep. The Lombok Strait, a relatively narrow passageway between Bali (west) and Lombok (east), allows flow of water from the Pacific Ocean into the Indian Ocean. Internal waves are generated when the interface between layers is disturbed, such as when tidal flow passes over rough ocean floors, ridges, or other obstacles. Sunglint, an optical effect caused by the reflection of sunlight off the water surface directly back at the satellite sensor, exposes the waves created by the movement of currents in the ocean water. A bank of clouds covers East Java to the west, with a bright sun overhead casting shadows from the clouds along the ocean surface.
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