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Science -- Instructional issues
806 - 810
Mars Dead or Alive: Welcome to Mars
During the first of two landings in the Mars Exploration Rover mission, scientists and engineers were full of anticipation and anxiety the night that the rover 'Spirit' was due to land. Would the rover land safely and...
Mars Dead or Alive: Where to Land?
It is not easy to get to Mars. Dozens of past missions have failed, with only a handful even attempting to land on the planet's surface. However, in January 2004, careful planning paid off when the Mars Exploration...
The Mississippi River Delta
For the past 100 million years, redeposited sediment has gradually increased the size of the Mississippi River Delta. But over the past several decades, the coast of southern Louisiana has been losing rather than...
Monster of the Milky Way
This NOVA television broadcast discusses black holes and presents new research indicating that a supermassive black hole may lurk at the center of our own galaxy. Features include interviews with researchers who explain...
Mount Pinatubo: Predicting a Volcanic Eruption
In spite of the unpredictability of volcanoes, scientists have learned to read the many signs they display prior to an eruption, in the hope of minimizing damage to lives and personal property. This video segment...
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