Prime Focus October 2000

PHOTO CAPTION>

Just below the Martian equator stretches the Valles Marineris canyon system, extending over some 2,486 miles and as deep as five miles in some sectors. The western side of the system is characterized by Nocfis Labyrinthus, a graben depression region, while the eastern end terminates in chaotic terrain. The three dark red spots in the west are volcanoes rising above the Tharsis Plateau. These volcanic cones tower some 16 miles above the mean surface of the planet.  (National Space Science Data Center/NASA/Mars Global Surveyer.)


October TVS
Highlights


  • 2 Club News and Notes

  • 3 What's Up in October

  • 4 Board sets plenary session

  • 5 Color astrophotos

  • 5 Club leadership opportunities

  • 6 Membership application

TVS Presents

   No, it is not déjà vu all over again. This time, there is no mistake and Sibylle really will be joining us for the October meeting. Since ancient times, volcanism and volcanoes have frightened and fascinated humanity. Today this is equally true of the volcanoes on Mars, as we observe them with space probes. 

   This presentation introduces volcanism in general, and explores volcanism on Earth and on Mars. Sibylle will show us images of terrestrial volcanoes, and will discuss space craft photography illustrating characteristic examples from both Earth and Mars.

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