Telescopes

The main reason larger telescopes are being built is to increase the power of viewing distance so the universe can be studied in greater detail. Special solar telescopes have been constructed for research of the Sun that requires the use of tools such as spectroheliographs and coronagraphs. These telescopes are mounted in towers and have a very powerful focus points. The focus points are so advanced that one can look at an individual wavelengths of the sun's electromagnetic spectrum in vast detail.
Terra, launched in December 1999, was put into orbit to observe the land, air and ocean. Th…