Beginning of Essay
? Does life exist in other planets? These are the kind of questions that are yet to be answered. Within the last 100 years scientists have shown remarkable advancement in space science. Millions of dollars are gone and a lot of time has been spent to answer the ab ....

Middle of Essay
.... in bringing clear and accurate pictures of distant planets. Here, distant planets refer to planets of different solar system. Hence Astronomers have to bring about a different technique to solve this problem. One such technique that is developed recently is called spectroscopy. Light coming out of a planet could tell researchers about the nature of the planet. Different characteristics of the planet could be studied and different conclusions can be drawn as to the questions of life and existence. One of the basic things that could be studied is the temperature of the planet. If a planet is very close to a hotter and brighter star, then temperature wou ....