Earth’s Electric Fields

Oct 11, 2017 Magnetic reconnection does not drive electromagnetic events. Upper regions of Earth’s atmosphere are influenced by solar emissions, because the ionosphere is connected to the Sun by filaments of electric charge. At 150 kilometers altitude, Earth’s electromagnetic field exhibits the greatest conductivity in what is called the “dynamo…

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Recent Arrival

  Oct 9, 2017 Martian meteorites are most likely a few thousand years old, at most. The Martian lithosphere is composed of iron and silicon, although they are primarily bound with oxygen. Silicon dioxide and iron oxides are the main constituents of Martian regolith. The atmospheric density on Mars is…

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Dry Sands

  Oct 6, 2017 The search for water on Mars continues. According to a recent press release, Mars may not possess the large quantities of water-ice that previous observations suggested. Data provided by the Mars Express orbiter points to, “ice-free, porous, windblown sand” and not subsurface ice. Thomas R. Watters,…

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Dying And Flying

  Oct 5, 2017 Changing your beliefs feels like dying. Whether it’s religion, politics, or science, letting go of the complex of ideas that provides an orderly explanation for your life and your experiences seems like falling into chaos and oblivion. It seems suicidal even to loosen your grip on…

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White and Bright

  Oct 4, 2017 Reflective mineral deposits on Ceres. NASA launched the Dawn spacecraft on September 27, 2007. After its observations of the asteroid, Vesta ended on September 5, 2012 Dawn headed toward Ceres. Dawn encountered the largest known asteroid in the Solar System on March 6, 2015. The mission officially ended…

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Science as a Personal Journey

Thunderblog -- Chris Reeve lobostudio-hamburg-295008

Science as a Personal Journey By Chris Reeve There is something you need to know about scientific controversies: Your own personal reaction to controversial science says much about the depth of your own thinking and your own propensity to lead. When we treat controversies as an open-ended clash of worldviews…

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Natural Pyramids

  Oct 3, 2017 Is it erosion that carved these shapes? Some scientists think that the Egyptians copied their pyramids from natural formations. The Black Desert, among other locations, provides evidence for that contention. In the image at the top of the page is a large pyramid-shaped monolith in Wadi…

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