mccann walsh mars

7/29/2019 McCann Walsh Mars

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Mars

By: Brendan Walsh and Jack McCann

MARS

By Brendan Walsh & Jack McCann


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Who Discovered it, and When?

Mars is one of thebrightest planets in thesolar system

Because of this we arenot sure whodiscovered it

We are also unsure as towhen Mars wasdiscovered


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The Origin of the Name

Mars is named after the Roman God of War

Some believe it got this name because its red

color

Sometimes referred to as the red planet


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Size of the Planet

Diameter: 6,974 km

Mass: 6.4219e23 kg

Mars is the 7th

largest planet Density: 3.93 g/cm3


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Simple Facts

Mars Day: 24 hrs, 37min

Mars Year: 687 Earth

days Gravity: 38% of Earth

Atmospheric Pressure:

1% Earths sea level Temperature: Average

68f


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Internal Composition

Crust : thick layer of

oxidized iron dust and

rocks (30 miles)

Mantle: primarily silicon,

oxygen, iron, and

magnesium (900-1,200

miles)

Core: composed of iron,

nickel, and sulfur (1,800-

2,400 miles in diameter)


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Atmosphere Composition

Carbon dioxide 95.32%

Nitrogen 2.7%

Argon 1.6%

Oxygen 0.13%

Carbon monoxide 0.07%

Water vapor 0.03%

Nitric oxide .0013%

Trace gases (krypton, methane, etc)


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Rotation and Revolution

Rotation rate: 24 hours, 39 minutes, and 35

seconds

Revolution rate: 687 days


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Evidence of Water

A rover landed on Mars on August 6th

This rover found conglomerate rock

This means that water must have flowed therein the past

This was the first discovery of water on Mars


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Space Missions to Mars

Mars was the firstplanet that we tried toexplore

As of right now NASAhas two rovers on Marsright now

NASA has a plan to tryto discover more about

the water that theyfound

There have also beenmany missions to Mars

in the past


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Evidence of Life

With the finding of water it is possibly there

was life on Mars

There is no sign of life on Mars today

Also a giant crater was discovered which lead

scientists to believe there is water in Mars

surface


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Plate Tectonics

Mars may be the only other planet besides

Earth that has plate tectonics

It has not been confirmed, but there is some

proof of plate tectonics


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Fun Facts

Mars has the tallest mountain in the solar

system

Carbon dioxide makes up 95 percent of the

atmosphere

Mars experiences violent dust storms which

continually change its surface


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Bibliography

Landau, Elizabeth. "Rover Finds Evidence of Ancient Water on Mars." CNN. Cable

News Network, 01 Jan. 1970. Web. 22 Feb. 2013.

Choi, Charles Q. "Giant Mars Crater Shows Evidence of Lake ... and Maybe Life?"

Fox News. FOX News Network, 21 Jan. 2013. Web. 22 Feb. 2013.

Villard, Ray. "Discovery News." DNews. N.p., n.d. Web. 22 Feb. 2013.


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THANK YOU!

Questions?

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