CNN :: Science & Space

Big telescope to hunt for exoplanets

About half the size of a football field and 21 stories tall, the largest optical telescope ever constructed will use almost 1,000 mirrors to hunt for exoplanets -- and maybe even unlock the secrets of spacetime. <p><a href="http://rss.cnn.com/~a/rss/cnn_space?a=1HhvTi"><img src="http://rss.cnn.com/~a/rss/cnn_space?i=1HhvTi" border="0"></img></a></p><div class="feedflare"> <a href="http://rss.cnn.com/~f/rss/cnn_space?a=KyBGAxC"><img src="http://rss.cnn.com/~f/rss/cnn_space?i=KyBGAxC" border="0"></img></a> <a href="http://rss.cnn.com/~f/rss/cnn_space?a=rV26zRC"><img src="http://rss.cnn.com/~f/rss/cnn_space?i=rV26zRC" border="0"></img></a> <a href="http://rss.cnn.com/~f/rss/cnn_space?a=60u8Krc"><img src="http://rss.cnn.com/~f/rss/cnn_space?i=60u8Krc" border="0"></img></a> <a href="http://rss.cnn.com/~f/rss/cnn_space?a=xuoeQhC"><img src="http://rss.cnn.com/~f/rss/cnn_space?i=xuoeQhC" border="0"></img></a> <a href="http://rss.cnn.com/~f/rss/cnn_space?a=iGqs3Vc"><img src="http://rss.cnn.com/~f/rss/cnn_space?i=iGqs3Vc" border="0"></img></a> </div><img src="http://rss.cnn.com/~r/rss/cnn_space/~4/207621217" height="1" width="1"/>