夜幕降临。遥看繁星闪烁的苍穹,我们常叹:宇宙深邃无穷,人生短暂匆促!今读此文,我们将生新叹:是否应该为杞国的那个“忧天者”平反?此“先哲”蒙冤久矣! 本文的开篇就向我们展示了天外来客撞击了地球之后的可怕景象: Ground zero is a s...夜幕降临。遥看繁星闪烁的苍穹,我们常叹:宇宙深邃无穷,人生短暂匆促!今读此文,我们将生新叹:是否应该为杞国的那个“忧天者”平反?此“先哲”蒙冤久矣! 本文的开篇就向我们展示了天外来客撞击了地球之后的可怕景象: Ground zero is a shallow sea;the impact generates enormous tsunamis that floodcoastal regions a thousand or more miles away.Dust and gas fly heavenward and asthey rain back down to Earth,the energy released heats the atmosphere to thetemperature of a kitchen oven on broil.Land animals roast.Forests burst into flames.Dast particles and smoke block ont the sun.In the darkness,plants perish and animalsstarve.Earth plunges into a deep freeze… 作者很懂得读者的心理,在描绘了这一“地球末日”的惨景后Sound farfetched? 岂料！回答竟是肯定的:作者设问 This list of horrors,many scientists believe,describes what happened when ameteorite more than six miles wide struck Mexico's Yucatan Peninsula 65 million yearsago with ten billion times the energy of the atomic bomb that destroyed Hiroshima. 据信,地球上的恐龙便毁灭于那场大灾难!展开更多
文摘夜幕降临。遥看繁星闪烁的苍穹,我们常叹:宇宙深邃无穷,人生短暂匆促!今读此文,我们将生新叹:是否应该为杞国的那个“忧天者”平反?此“先哲”蒙冤久矣! 本文的开篇就向我们展示了天外来客撞击了地球之后的可怕景象: Ground zero is a shallow sea;the impact generates enormous tsunamis that floodcoastal regions a thousand or more miles away.Dust and gas fly heavenward and asthey rain back down to Earth,the energy released heats the atmosphere to thetemperature of a kitchen oven on broil.Land animals roast.Forests burst into flames.Dast particles and smoke block ont the sun.In the darkness,plants perish and animalsstarve.Earth plunges into a deep freeze… 作者很懂得读者的心理,在描绘了这一“地球末日”的惨景后Sound farfetched? 岂料！回答竟是肯定的:作者设问 This list of horrors,many scientists believe,describes what happened when ameteorite more than six miles wide struck Mexico's Yucatan Peninsula 65 million yearsago with ten billion times the energy of the atomic bomb that destroyed Hiroshima. 据信,地球上的恐龙便毁灭于那场大灾难!
