而说到实物，再没有比元素周期表79号元素更实在的物质了——一个金融风暴里最受欢迎的避风港。
In a world of unreal investments, reality must finally have its day, and there is nothing more real than periodic-table element No. 79 — favored shelter from the financial storm.
“从某种意思上说，碰撞过程中产生过环形山，但是参与碰撞的物质又把它填满了。” Asphaug说到。
"In a way you do make a crater, but you fill it all in with the impactor material, " says Asphaug.
来自犹他州大学的日常食物处理专家Donald McMahon博士说到，牛奶是一种易受影响的物质，因为它含有的核黄素(维生素b2)是个光敏性物质。
Milk is especially susceptible because the riboflavin (vitamin B2) it contains ACTS as a photosensitizer, says Donald McMahon, PhD, an expert in dairy foods processing at Utah State University.
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