document.write("<OL><LI><EM class=hot>1</EM><A href='/html/4/art_view/37/440.html'  target=_blank>欧美联手研制比哈勃更强大的望远镜</A> </LI><LI><EM class=hot>2</EM><A href='/html/4/art_view/37/446.html'  target=_blank>美国发射探测器描绘宇宙早期图像</A> </LI><LI><EM class=hot>3</EM><A href='/html/4/art_view/37/443.html'  target=_blank>美加将在北极建太空基地</A> </LI><LI><EM>4</EM><A href='/html/4/art_view/37/442.html'  target=_blank>科学家研制新型天文望远镜</A> </LI><LI><EM>5</EM><A href='/html/4/art_view/37/452.html'  target=_blank>载人航天与“神舟”号试验飞船</A> </LI><LI><EM>6</EM><A href='/html/4/art_view/37/450.html'  target=_blank>美航天局发射“起源”号捕捉太阳物质</A> </LI><LI><EM>7</EM><A href='/html/4/art_view/37/449.html'  target=_blank>美新研制的天文望远镜可观测黑洞</A> </LI><LI><EM>8</EM><A href='/html/4/art_view/37/451.html'  target=_blank>航天发射走向“陆海空”立体化</A> </LI><LI><EM>9</EM><A href='/html/4/art_view/37/441.html'  target=_blank>神舟三号近期将升空　宇航员上天指日可待</A> </LI><LI><EM>10</EM><A href='/html/4/art_view/37/448.html'  target=_blank>美建成世界最大的全操纵性无线电望远镜</A> </LI></OL><OL class=none><LI><EM class=hot>1</EM><A href='/html/4/art_view/37/428.html'  target=_blank>俄美联手人类星际首航</A> </LI></OL><OL class=none><LI><EM class=hot>1</EM><A href='/html/4/art_view/37/428.html'  target=_blank>俄美联手人类星际首航</A> </LI></OL><OL class=none><LI><EM class=hot>1</EM><A href='/html/4/art_view/37/428.html'  target=_blank>俄美联手人类星际首航</A> </LI></OL>")