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The Spring 2011 issue of The Earth Scientist is focused on modernizing seismology education. Thanks to IRIS, you can download this issue for free as a pdf. Print copies are available in our online store.
This is an image of the Moon showing various minerals found on the surface.
Click on image for full size
NASA

Evidence about the Formation of the Moon

Any successful theory must account for everything we know about the Moon now. Those things include
  • the moon seems to be made of the same material as the Earth's upper mantle.
    • the Moon has little or no iron in it, and is composed of material unlike the composition of the Earth as a whole.
  • the moon is rounded in shape, like the other planets and not like an asteriod or comet
  • the moon orbits in the same direction as the Earth
  • the Moon is located in the same plane as the Earth (the ecliptic plane)

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Learn about Earth and space science, and have fun while doing it! The games section of our online store includes a climate change card game and the Traveling Nitrogen game!

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA