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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Oprah Winfrey Network (U.S. TV channel). From Wikipedia, the free encyclopedia. The Oprah Winfrey Network (OWN), named after the former daytime talk-show host Oprah Winfrey, is an American general entertainment television channel produced by Harpo Productions and Discovery Communications.he channel responded by raising the channel's retransmission consent fee (OWN was provided to cable providers effectively for free for its first two years on air) to a level more in line with other basic cable channels, a move that Discovery expects will allow the channel to break even some time in late 2013.