介绍宇宙的英文文章

Space radiation preferentially destroys specific forms of amino acids, the most realistic laboratory simulation to date has found. The work suggests the molecular building blocks that form the "left-handed" proteins used by life on Earth took shape in space, bolstering the case that they could have seeded life on other planets.

反正关於宇宙的英文文章都ok!部规定字数,当然也不可以太少了!
星体啊,陨石之类的都可以,只要是在宇宙里的东西的文章就可以`!一定要是英文的啊`!这个很重要

BEIJING, Sept. 28 (Xinhua) -- China aims to set up a space station in 2020 and before that it will launch a "simple" space lab in 2011, said a spokesman of the country's manned space program Sunday evening.

The station will be attended to by human beings, said Wang Zhaoyao at a press conference following the successful landing of the country's third manned mission Shenzhou-7.

The orbiter docking technology will be tested after the Shenzhou-7 mission, he said.

universe 或 cosmos
哲学上的宇宙可用the world表述

http://www.newscientistspace.com/article/dn7895-space-radiation-may-select-amino-acids-for-life.html