The melting of the polar ice caps and global warming are getting more and more attention lately. Scientists are warning with increasing alarm of the rate at which these ice caps are dissolving into the oceans surrounding them. It has been estimated that the summer polar ice caps have been reduced by as much as forty-three percent from what they were.

Having studied mathematics in Pisa and taken on the job of lecturer there, Galileo Galilei had ample time to conduct experiments. As he found that Aristotle was wrong, his fellows in Pisa mobbed him out. He found a new home in Padua as a professor for mathematics.

There are many techniques and tricks that experienced observers use when viewing objects through a telescope to get the most out of the image..

Here is a quick description of each method of telescope observing...