Argumentative Essay: Does Life Exist On Mars?

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Scientists have been trying to find out life on other planets since long. Moon was their first target that disappointed them badly. After finding no life on moon they started their journey towards the Mars. Does life exist on Mars debate is one that has gotten a lot of news and is considered very enigmatic and interesting (Smith, 2011). Researchers keep on sharing new information regarding Mars with people to equip them with the knowledge of new discoveries. The discovery of liquid on the surface of Mars, meteorite ALH84001 and color patches have proved that life exist on Mars but recently NASA declared that there is no life found there in the planet.
Water is a sign of life that scientists did not find on moon but in 1960s the NASA Mariner missions found some liquid flowed on the surface of Mars. This thing encouraged the scientists to believe that life exist on the Mars. In 1976, one of the Viking landers found water frost on rocks and in 2008 Phoenix lander found snow falling in Mars. A great number of observations have demonstrated that the polar caps of Mars are amalgam of both water ice and carbon dioxide ice. More recently, scientists have used gamma ray spectroscopy and observed that water ice is very much spread on the
After spending years on finding life on the Mars NASA has failed to find any evidence that its atmosphere is supporting any kind of life. The patches of colors which were noticed by the astronomers in 1950s and found that they change with the seasons were found nothing but a false story (Getz & McCarty, 1997). Now NASA has declared that there are no color patches, canals and seasonal changes occur in the Mars. They are of the view that no life exist in Mars. Most of the scientists believe that instead of wasting time and money on finding life in Mars we should move towards other planet so we can find life

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