Stellar Sands Help Enrich The Universe
April 17th, 2012 |
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One of the most widely known and repeated astrophysical facts is that stars produce all the heavy elements that eventually make planets, shrubberies, and the likes of us. It’s absolutely true, but how exactly do they get those elements out into the universe to do all that? A major route is stellar explosion. When supernovae [...]
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High Speed Video Reveals How Meteor and Missile Impacts Transfer Energy Via Sand and Dirt Grains
December 11th, 2012 |
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When a high speed object collides with force, we tend to focus on the spectacular (yet potentially devastating) view from a macro scale, but Duke scientists have been researching what that incredible energy transfer looks like at the level of sand and dirt size particles. “High-speed video of projectiles slamming into a bed of disks [...]
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