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20 Pieces Of Evidence That Prove There Was Once Life On Mars

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The fourth planet of the Solar system has always enticed imagination of writers, astronomers and common men alike. Being our neighbor due to its relative vicinity to our home planet, the Red Planet has, for centuries, provoked curiosity, awe and even fear. Named after the ancient Roman God of war, Mars has ever since acquired a somewhat ominous aura, an aura of bad omen and unnamed threat.

The Sci-Fi authors of old, like Gilles Verne and H.G. Welles have contemplated the possible alien civilizations dwelling on desolate plains of Mars, and Orson Welles, in his radio drama “The War of the Worlds”, managed to come across so convincingly as a reporter describing a massive invasion of horrible creatures from Mars, that he caused a nationwide panic and terror!

Astronomer William Herschell made the most clear observations of Mars’ polar ice caps in the XVII century, which was the first undeniable proof that Mars held water, the vital condition for a planet to harbor life. Even closer observations, using perfected telescopes with larger magnifying abilities, showed some remarkable formations reminiscing canals.

Finally, the eerie Face of Mars showed itself to thousands of staggered astronomers. These finding only further sparked the controversy surrounding this planet, leading to new fictional speculations of aliens of superior intelligence still residing there, in hiding from us. Right now, several robotic rovers are roaming Mars, sending images and data of surface samples to Earth.

Here are some well-founded reasons just why Mars indeed may have harbored life.

1. Liquid Water

Even though there are no traces of liquid water on the very surface of Mars, it is not completely out of the question that it can be found in forms of underground rivers. Traces of evaporated water can be detected in Mars’ atmosphere, and all the reserves of surface water are trapped in icy forms in Mars’ polar caps.

These ancient sediments of ice may have once been liquid water, during eons of milder and more life-friendly climate on the planet. It is considered that temperatures on Mars were warmer than today’s freezing temperatures (averaging -63 C), in young Solar system, when Sun’s activity was much stronger than today.

Almost 4 billion years ago, scientists claim, the conditions on Mars were much more favorable for harboring at least primitive forms of life. Beside higher temperature, there was also a denser pressure, paving the way to, almost certainly, massive amounts of water flowing freely all over the surface of Mars. This water could have proven vital for development of life.

Firstly, the primitive single-cellular organisms, microbes and microorganisms, then slightly more complex beings, plants and finally intelligent beings that could have flourished into a civilization.

This civilization might have been short lived, depending on the amount of water available for the inhabitants of the planet and depending on how quickly the water evaporated from the surface of the planet when climate was undergoing radical change.

During recent years, reports were made on investigation of enormous geysers on Mars, erupting with fluids that contained mud, sand and even traces of water. Since a huge amount of high pressure and temperatures are involved in this, there could be sufficient conditions for creation of organic matter and even microbes and other microorganisms.

One other thing is almost certainly at hands, scientist think. As many unexpected sources of water have been found throughout the Solar system (like Jupiter’s satellite Europa, for instance), many astronomers and astrobiologists are certain that we will also find flowing water on Mars.

This planet, they say, is simply too related and too similar to ours (although much different in same respect) and therefore must contain at least some underground reservoirs of liquid water. If we find this – we have found the main, starting condition of development of life.

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