It is approximately 1,500 miles long. The deepest portion of the Mariana Trench is the Challenger Deep, a narrow portion at the southern end, which is roughly 36,000 feet deep. The water temperature in this area is slightly above freezing. The world's ocean trenches remain largely unexplored due to the immense pressures at such depths.
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Main article: The Nashville Network. Spike was launched on March 7, 1983 as The Nashville Network, a country living and country music-themed television channel that originally operated as a joint venture of WSM, Inc. (a subsidiary of National Life and Accident Insurance Company) and Group W Satellite Communications.