After listening professor York's lecture at the beginning of the course, we collect astronomical info with very complicated number and measurement, which is interesting.<br /><br /><a href="http://schoolblogs.cuip.net/2013studentallstarstwo/wp-content/uploads/sites/18/2013/07/20130722-152737.jpg"><img src="http://schoolblogs.cuip.net/2013studentallstarstwo/wp-content/uploads/sites/18/2013/07/20130722-152737.jpg" alt="20130722-152737.jpg" class="alignnone size-full" /></a><br /><br /><a href="http://schoolblogs.cuip.net/2013studentallstarstwo/wp-content/uploads/sites/18/2013/07/20130722-152818.jpg"><img src="http://schoolblogs.cuip.net/2013studentallstarstwo/wp-content/uploads/sites/18/2013/07/20130722-152818.jpg" alt="20130722-152818.jpg" class="alignnone size-full" /></a>