Current Events

  • Kansas Legislator Proposes Bill to Outlaw Sustainability Education
    A bill has been introduced in the Kansas legislature this week that would prohibit the promotion of ...Read more

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    Kansas Legislator Proposes Bill to Outlaw Sustainability Education

    A bill has been introduced in the Kansas legislature this week that would prohibit the promotion of sustainability. Here is a link to the one-page bill: http://www.kslegislature.org/li/b2013_14/measures/documents/hb2366_00_0000.pdf. See report on Bloomberg News.
  • Earth's Center Is 1,000 Degrees Hotter Than Previously Thought, Synchrotron X-Ray Experiment Shows
    Scientists have determined the temperature near the Earth’s center to be 6000 degrees Celsius, 1000 ...Read more

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    Earth's Center Is 1,000 Degrees Hotter Than Previously Thought, Synchrotron X-Ray Experiment Shows

    Scientists have determined the temperature near the Earth’s center to be 6000 degrees Celsius, 1000 degrees hotter than in a previous experiment run 20 years ago. These measurements confirm geophysical models that the temperature difference between the solid core and the mantle above, must be at least 1500 degrees to explain why the Earth has a magnetic field. For more information about this study, see the press release from the European Synchrotron Radiation Facility.
  • Ocean Volcanic Rocks Contain Samples of Recycled Crust
    Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials fr...Read more

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    Ocean Volcanic Rocks Contain Samples of Recycled Crust

    Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth’s crust. But decisive evidence for this phenomenon has proven elusive. New research from a team including Carnegie’s Erik Hauri demonstrates that oceanic volcanic rocks contain samples of recycled crust dating back to the Archean era 2.5 billion years ago. Their work is published in Nature. Oceanic crust sinks into the Earth’s mantle at so-called subduction zones, where two plates come together. Much of what happens to the crust during this journey is unknown. Model-dependent studies for how long subducted material can exist in the mantle are uncertain and evidence of very old crust returning to Earth’s surface via upwellings of magma has not been found until now. For more information about these results, see the press release from the Carnegie Institution.
The Rover, Barnacle Bill, and Yogi.
Click on image for full size
NASA

Results from Mars Pathfinder

These are the findings of Mars Pathfinder.

  • Rounded Pebbles, Cobbles and possible Conglomerates were found - a result from analysis of the landing site, the rocks, and the soils.
    • showed that there were a variety of rocks deposited by a catastrophic flood
    • suggestive of a water cycle kind of like that of Earth
    • suggestive of more warmth & more water in Martian past history
    • remaining questions include: how fast, & where was the Martian water flowing, what was the capacity of the flood?
  • Airborne Dust is Magnetic
    • chemical analysis of the dust shows that iron seems to be leached from the crust by an active water cycle
  • Better measurement of the shape of Mars
  • Atmosphere
    • clouds were found
    • dust devils were seen
    • predictable local weather
These findings help address questions which remain about Mars.


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Traveling Nitrogen Classroom Activity Kit

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Pits and Holes in rocks of Mars

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Soils explored by the Rover

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An important new result from the Mars Global Surveyor (MGS) mission is the definite confirmation of the presence of a magnetosphere around Mars. Previous missions did not make really good measurements...more

Martian Clouds

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An Overview of the Mars Pathfinder Mission

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Mars Odyssey

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Mars 2005

The Mars 2005 mission is still in the planning stages. It is set to launch in the year 2005. ...more

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Young Voices for the Planet DVD in our online store includes 8 films where students speak out and take action on climate change.

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