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| | Edward Bilodeau's Weblog: April 2005 |
 | | Jafar Arkani-Hamed of McGill University in Montreal, Quebec, has determined that these five basins, named Argyre, Hellas, Isidis, Thaumasia, and Utopia, all lie along the arc of a great circle. |
 | | This suggests that the projectiles that caused the basins originated with a single source and that the impacts trace the Martian equator at the time of impact, which was prior to the development of the Tharsis bulge, he says. |
 | | I was reading The Case for Creative Commons Textbooks and came across these interesting figures on the cost of content development: |
| bilodeau.blogspot.com /2005_04_01_bilodeau_archive.html (3692 words) |
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