Intermediate Word: 
  (a) city archive  (b) cloistered hideaway  (c) dining hall  (d) pantry 
Difficult Word: - glyptics  (a) early numerical symbols  (b) tattooed identification marks  (c) early pictographs that predate heiroglyphics  (d) art of carving

Texas Hit by Asteroid 58 Million Years Ago - Space.com   the site known as the Marquez Dome was once thought to be a salt dome by prospectors looking for oil along the Texas Gulf coast. However, scientists now say the site about 60 miles southeast of Waco holds the remnants of a huge crater formed from an asteroid's impact about 58 million years ago. "You're talking about 100 hydrogen bombs. It's estimated that 25 to 50 percent of the energy from (the impact) is turned into heat. The effects would be devastating."
A New Route to Smaller 3-D Files - SpaceDaily  Left: Simplifying by condensing small triangles (colored) into larger ones, and then into polygons.  A University of Southern California computer scientist has created a powerful and elegant algorithm to compress the large and ungainly files that represent 3-D shapes used in animations, video games and other computer graphics applications. His "Variational Shape Approximation" scheme created with two collaborators produces simplified but highly accurate "meshes" representing 3-D shapes.The meshes are orders of magnitude smaller than those produced by existing ways of handling such files but remain completely compatible with all widely used methods to display and use the information.

Cassini Opens Cosmic Time Capsule - SpaceDaily  Left:  This colorful graphic illustrates that despite Phoebe's bumpy, irregular topography, the moon has a fairly round shape. A digitally rendered shape model of Phoebe was constructed using Cassini imaging data obtained before and after the spacecraft's close flyby of the Saturnian moon on June 11, 2004. The average diameter of Phoebe is about 214 kilometers (133 miles). The four views of the model are each separated by a 90 degree rotation; the upper left is centered at 0 degrees West longitude. The others show regions of the moon centered at 90, 180 and 270 degrees West longitude, as labeled. The coloring of the models corresponds to the height of Phoebe's surface, relative to the lowest point - a range of about 16 kilometers (10 miles) - going from blue (low) to red (high). Interestingly, much of this range in height occurs in one large crater, visible in the 180 degree West view.  

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