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Searched for: GEM Subject is Science -- Physical sciences
Results 571 - 575 of 830
This resource covers intrinsic and orbital properties of the moon; tides and gravitational locking; surface properties of the moon; interior and geological activity of the moon; and theories of its formation, such as...
This resource covers early and modern views of Venus; the general features of Venus; its cloud layer, including high velocity winds, the absence of water vapor, and the different wavelengths used to analyze the Venusian...
This resource covers the nature and components of the Milky Way, including the disk, spiral arms, nucleus, dark matter halo, globular clusters, and central bulge; the interstellar medium, including gas, dust, HI and HII...
This resource covers Seyfert galaxies, radio galaxies, BL Lacertae (BL Lac) objects, quasars, supermassive black holes, determining masses in galactic centers using the virial theorem, and a model for active galactic...
This story from Discover Magazine follows the career of paleontologist Stephen Hasiotis, who specializes in terrestrial ichnology, as he searches for the tracks of ancient invertebrates, even where a fossil record is...
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