Video Infographic : Why Mars Died and Earth Lived? (Animated Infographic 2018)

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The Red Planet!

That’s how we know it. Mars has a lot to do with our myths about aliens and gods and questions like “does life exist on Mars?” or “has it ever been a habitable environment?”

4 billion years ago, when the first known life formed on earth, Mars was much similar to the conditions on earth. It had lakes and streams and a thick atmosphere.

But Today, The surface of the planet mars, is dry, dusty, rocky and cold. What made earth so special and what stopped life from evolving on Mars?

On this video we are trying to find answers to these questions.

When it comes to the existence of life, the basic requirement or the key is liquid water and a hospitable atmosphere that can control the temperature so the water won’t evaporate or freeze.

4 Billion years ago Mars has had a thicker atmosphere which protected it’s surface from sun’s harmful rays and kept it warm.
Mars is approximately half the size of planet earth and gravity is 38% of earth’s gravity.

Because of light gravity and lack of global magnetic field, Mars as a planet had less control over its atmosphere.

With the constant flow of solar wind, lighter molecules were stripped out from the atmosphere of Mars.

That made it thinner and let ultraviolet radiation in which took away some of the liquid water into the atmosphere.

As a result of the atmosphere thinning, the heat trapping level was decreased.

This decreased Mars’s temperature and today it never passes the limit of 20 C… and it decreases down to -125C at night time. This doesn’t seem like hospitable at all. Right?

Because of this low temperature liquid water on the polar ends got frozen.

At the same time, due to the high capacity of the rocks on Mars to hold water, the surface started absorbing the remaining liquid water more quickly.

So…. That’s why life didn’t evolve on mars while earth’s life developed in to very complex multi organisms.

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