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Mars


Mars is the 4th planet from the Sun. The planet is classed as a rocky planet. Mars derives its name from the Roman god for God of War. Mars has been known for centuries ever since people looked to the stars and noticed a star moving across the sky.The mass of the object is 0.64185. The equatorial radius of the planet is 3397 whereas the volumetic mean radius is 3390. The Mean Density of the planet is 3933. The surface acceleration of the planet is 3.69. The time the planet takes to revolve round the Sun is 686.973 days or roughly 1.9 Earth Years. The length of a day on the planet is 24.6597 hours, i.e. the time it takes to revolve once on its axis. The average temperature of the planet is -210K/-63C. The surface pressure of the planet is 6.36mb.

Mars is about 227900000.0km from the Sun. The Orbit Eccentricity is 0.0935, that is how much the orbit deviates from a circle, between 0 and 1. The Orbit Inclination is 1.85, that is how much the orbit deviates from a circle, between 0 and 1. The volume of Mars at the equator is 16.318. The escape velocity, the speed which is need to break free is 5.03. The surface gravity of Mars is 3.71 compared to Earth which for purpose of this site is 1. The following gasses can be found in the Mars's atmosphere : Carbon Dioxide (CO2) - 95.32% ; Nitrogen (N2) - 2.7%, Argon (Ar) - 1.6%; Oxygen (O2) - 0.13%; Carbon Monoxide (CO) - 0.08% \n. More information and the source for the moon can be found at N.A.S.A.

Life on Mars and Martians

People have always been fancinated with the Red planet. Its smaller than ours and for many years, we`ve written stories of there being Martians on the planet from War of the Worlds by H.G. Wells through to Tim Burton`s Mars Attacks. Granted, Tim didn`t create the story, he made it into a film.

There have been many missions to Mars from N.A.S.A. and other agencies in the hope of answering whether there is life on Mars. If there is life on Mars, it will be microbial at best, there is nothing on the surface. If there was, we`d have discovered it by now. Just because there`s nothing there now, we can`t discount the fact that life could`ve existed once on the planet when the Magnetic Core was still working like it is on our planet.

It had been theorized that Mars once had water flowing over it and could`ve even had life on the planet during that time. However something happened and the waters receeded back to the ice caps. The following is an artists impression that was released to show what Mars could`ve looked like once.

Artists impression of what Mars might`ve looked like once with an ocean covering the southern half of the planet.

Moons of Mars

Mars has two moons, named Deimos and Phobos. They are irregular shaped unlike our Moon which is spherical and more like asteroids. It is speculated that they are asteroids from the asteroid belt between Mars and Jupiter that flew too close to the planet and were captured by its gravity. They are named after children of Grecian god Ares. Ares is the Grecian equivalent of the Roman God Mars. Phobos means panic/fear whilst Deimos means terror/dread.

Canals on Mars

In 1877, Italian astronomer Giovanni Schiaparelli, director of the Brera Observatory in Milan described seeing Canali on the surface of Mars. These were mis-translated to meaning canals when the correct translation meant channels. The fact that the Suez Channel in Egypt had just been built put added weight onto the fact that they were canals. Canals are man-made streams of water which implied that there was intelligent life on Mars which as we know now there isn`t.

Canals on Mars were popularised by respected American astronomer Percival Lowell who had dedicated his life to studying Mars. Percival called them alien made and used as irrigation channels. Percival built the Lowell Observatory which would fourteen years after his death discover the now ex-planet of Pluto.Ref: N.A.S.A. Canals of Mars

Missions to Mars

As of 11th March 2017, we`ve sent 44 probes to Mars and not all have been successful. 26 have been failures, I`ve counted success/failure as a failure. The first attempt was by the Russians where their probe was to fly by the planet however the craft didn`t reach Earths orbit in 1960. The first successful mission to Mars was mission number 7 by the Americans with Mariner 4 probe which sent back 21 images in 1964. The first successful Russian mission to Mars was in 1971, eleven years after their first attempt and their eleventh attempt. Ref: List of Mars Missions

The American`s weren`t without failure, their first mission to Mars was a failure but it was their second mission in the same year that the Americans got to the red planet. Since 2001, all American probes have reached the planet including two rovers Spirit and Opportunity and both rovers operating way longer than planned. The first non-U.S/Russian attempt was by Japan in 1998 and that sadly was a failure caused by fuel problems.

The Europeans` first attempt came in 2003 with Mars Orbiter/Beagle 2. The Mars Orbital arrived in position but lost contact with Beagle 2 as it parachuted down to the planet. The exact cause of the failure has not yet been established but the current theory is that Beagle did make it down to the planet and all but one of its solar panels opened up. Ref: Daily Mail

Race to Mars

The new Space Race is to put a man on the red planet and return him safely. At the moment, the only place people are going is back to the moon as a staging post. The task is mammoth to say the least, the fastest time so far a probe has got to Mars is the new horizons mission to pluto and that took around 40 days. ref: Planets for Kids. However with that, you didn`t need food or water for craft so that would have to be factored in if we`re going to go Mars because that would affect the speed we`d be travelling at.

All the major space faring nations, United States of America, Russia and China to mention just three all have plans to get to Red planet and colonize. The first step for America though is to have a permanent moonbase from where you can more easily launch craft to outer space because it has a lower gravity. One day, you won`t be taking a holiday to Spain, you`ll be taking a holiday on the Red Planet.

Why is Mars red?

The quick and straight forward answer as to why the planet is red is because of the amount of Iron Oxide on the planets surface. The Iron Oxide gives the planet its colour. The red led many of the first astronomers to associate it with Mars, the Roman God of War. The red is for the colour of blood that is splashed when someone is hit. How the planet got so much Iron Oxide is unknown. Ref: Space

It is theorized it wasn`t always red and that is might have been like our planet, Earth with green lands and water. It might even have had life on the planet before the planet lost its magnetic core to protect it and it grew cold and inhospitable.


Mars Facts



Position from Sun4 A.U.
MeaningGod of War
Mass0.64185
Equatorial Radius3397
Volumetric Mean Radius3390
Mean Density3933
Surface Acceleration3.69
Orbital Period686.973 Days
Length of Day24.6597
Average Temperature-210K/-63C
Surface Pressure6.36mb
Distance from the Sun227900000.0km from the Sun.
Orbit Eccentricity0.0935
Volume16.318
Orbit Escape Velocity5.03
Surface Gravity3.71
AtmosphereCarbon Dioxide (CO2) - 95.32% ; Nitrogen (N2) - 2.7%, Argon (Ar) - 1.6%; Oxygen (O2) - 0.13%; Carbon Monoxide (CO) - 0.08% \n

List of Moons in orbit around Mars



MoonDiscoveredOrbit Circumference
Deimos1877 147,390.96 km
Phobos1877 58,907.79 km




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