Matus1976 Blog - Philosophy, Science, Politics, Invention
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Galaxies, Pyramid Building, and Solar System
Beautiful image from Argentina - 3 galaxies and a comet
French Architect proposes mechanism for construction of Egyptian pyramids.
Solar System planet size comparison
Great comparison of the size of all objects in our solar system larger than 200 miles in diameter, gives a conceptual understanding of the size of the sun and large gas planets compared to earth and other smaller bodies. Visually stunning.