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Archives of Peking University News - PKU English - 北京大学

Archives of Peking University News - PKU English - 北京大学

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<strong>北京大学</strong>英语新闻网/<strong>Peking</strong> <strong>University</strong> <strong>News</strong><br />

A Lecture on The New Cosmology by<br />

Pr<strong>of</strong>essor Ofer Lahav<br />

By Li Guanyu<br />

<strong>PKU</strong> NEWS 2005—04—17<br />

http://ennews.pku.edu.cn/news.php?s=113789296<br />

By Li Guanyu<br />

<strong>Peking</strong> <strong>University</strong>, Beijing, April 17th. 2005: Pr<strong>of</strong>essor Ofer Lahav from <strong>University</strong><br />

College London presented a lecture on the new cosmology in the College <strong>of</strong> Physics<br />

at 7 p.m. last Wednesday evening. Students from not only the College <strong>of</strong> Physics but<br />

also other departments, such as the Department <strong>of</strong> Philosophy and the College <strong>of</strong><br />

Life Science, attended the lecture.<br />

The lecture was given to introduce to students the newest ideas and academic<br />

process in cosmology. Pr<strong>of</strong>essor Lahav explained the famous theory <strong>of</strong> Big Bang<br />

and a series <strong>of</strong> present day cosmological parameters. In order to give some<br />

comparison and to introduce the understanding <strong>of</strong> the universe in human history, he<br />

looked back on the cosmology principles <strong>of</strong> different cultures and philosophies and<br />

the former scientific explanation <strong>of</strong> the unverse such as Einstein's Equation for a<br />

homogeneous isotropic universe. He especially discussed dark matter, dark energy<br />

and their amounts <strong>of</strong> similarity. Models, spectrum and curves were used to help<br />

understanding the lecture and a very interesting conclusion was made that the<br />

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