Essay Title: 

Is there water and life on mars?

April 1, 2016 | Author: | Posted in astronomy, nature

Running head : IS THERE WATER AND LIFE ON MARS

Is there Water and Life on Mars

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Abstract

This analyzes the intriguing phenomena about the existence of water or life on Mars . Scientists have now abandoned ideas about advanced creatures on Mars , but many of the researchers consider that once there may well have been microbes there and there could still be Yes , there could be life on Mars . The results from recent Mars rovers and orbiters [banner_entry_middle]

show that warm , wet conditions may have prevailed on the planet for long periods during its early history . If the eras of Earth-like conditions were frequent and long , life would have had a better chance of evolving . Future missions to Mars may test this notion by measuring the ages of ancient landforms

Is there Water and Life on Mars

Unlike Earth , since there are no oceans to obscure the planet Mars , its topography is now better explored and known than that of Earth (Australian Geographic 2003 . It has the largest known volcano in the Solar System , Olympus Mons , three times as high as Mt Everest , arid the longest and deepest known canyon , Valles Marineris , 4000 km long and 10 km deep (Australian Geographic 2003

Mars has no continental plate movement , so its surface isn ‘t constantly reworked by mountain-building processes . As a result , much of the landscape is as it was billions of years ago (Australian Geographic 2003

NASA researchers are taking lessons from the debate about life on Earth to Mars . Their future missions will incorporate cutting-edge biotechnology designed to detect individual molecules made by Martian organisms , either living or long dead (Zimmer 2005

The search for life on Mars has become more urgent thanks in part to probes by the two rovers now roaming Mars ‘ surface and another spaceship that is orbiting the planet . In recent months , they ‘ve made a series of astonishing discoveries that , once again , tempt scientists to believe that Mars harbors life or did so in the past . At a February conference in the Netherlands , an audience of Mars experts was surveyed about Martian life . Some 75 percent of the scientists said they thought life once existed there , and of them , 25 percent think that Mars harbors life today (Zimmer 2005

The search for the fossil remains of primitive single-celled organisms like bacteria took off in 1953 , when Stanley Tyler , an economic geologist at the University of Wisconsin , puzzled over some 2 .1 billion-year-old rocks he ‘d gathered in Ontario , Canada (Zimmer 2005 His glassy black rocks known as cherts were loaded with strange microscopic filaments and hollow balls . Working with Harvard paleobotonist Elso Barghoorn , Tyler proposed that the shapes were actually fossils , left behind by ancient life-forms such as algae Before Tyler and Barghoorn ‘s work , few fossils had been found that predated the Cambrian Period , which began about 540 million years ago (Zimmer 2005 . Now the two scientists were positing that… [banner_entry_footer]

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