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DESTINATION MARS by Gemma Lavender Destination Mars DESTINATION MARS By Gemma Lavender Destination Mars Destination Written by Gemma Lavender MarsWith private space enterprises and NASA planning manned missions to Mars in the coming years, All About Space discovers how the world’s leading space explorers will take the first humans to the Red Planet 2 Destination Mars It was former Apollo astronaut and combining an orbiter and lander. But the rovers has provided us with an involves diligent work such as second man on the Moon Buzz that was it until the mid-Nineties. incredible amount of information, carefully splitting open shells to find Aldrin who uttered the words, Since then several robots have been signatures of past life such as fossils preserved fossils. This is way beyond “Forget the Moon, let’s head to Mars!” sent to Mars, determined to be the could easily be overlooked by the the ability of robotic rovers and if This is something that mankind first to underpin the principles which robots. “You could parachute 100 you’re talking about whether humans has been working to achieve since will one day allow humans to set rovers [to Mars] and you would could settle on Mars, then clearly, the Sixties. Fleets of flyby missions, foot on the planet’s surface. Satellites never find a fossil,” Zubrin explains. you have to send humans.” orbiters, rovers and landers have have included NASA’s Mars Global “Finding fossils involves hiking So to Mars humans must go. And been sent on one-way missions to Surveyor and Mars Reconnaissance through lots of terrain, it involves in a change of dynamic, agencies shape our understanding of the Red Orbiter, and the ESA’s Mars Express, pick and pickaxing work and it and organisations are looking past Planet, setting down the groundwork as well as the successful Phoenix and that will one day lead to the moment Pathfinder landers, while the Spirit, The Martian atmosphere makes landing an astronaut sets foot on Martian soil Opportunity and Curiosity rovers difficult, it’s too thin to provide useful for the first time. touched down on Mars to inspect the deceleration like Earth's but thick enough At an average distance of around Martian soil for signs of life and to to destroy an unprotected spacecraft 225 million kilometres (140 million take a few snaps of their new home. miles), Mars might not be as close to However, as we push for greater the Earth as the Moon or Venus, but feats the rovers don’t seem to be the ruddy-coloured planet’s potential enough. We need something more to provide us with information to sophisticated, according to advocate sate our appetites for knowledge as of the manned exploration of Mars well as the opportunity to expand and American aerospace engineer, our species to another world, today Dr Robert Zubrin of the Mars Society. encourages generations of scientists We need to go to Mars ourselves. to overcome this distance with “I do favour sending robots to relative ease. However, it was not Mars and I am very happy that we’re always this way. doing that,” says Zubrin. “They are The Soviet Union was the first just the advance scouts and you country to launch robotic missions know, the rovers, I love them, but to Mars, with a number of failed there’s nothing they can do that we launches and probes in the Sixties. [humans] couldn’t do a thousand By the Seventies, however, they had times faster.” While the work of competition from the Americans. With two countries setting their The Orion module replaces the sights on the Red Planet, the race now cancelled Constellation was well and truly on, but who Program as our future hopes would get there first? to send man to Mars On 19 May 1971, the USSR’s Mars 2 successfully raced through the last of Earth’s atmosphere with the Red Planet in its sights. Russia was in with a good chance of winning this round of the Space Race. With the successful launch of Mars 3 taking place a mere nine days later, this only reaffirmed the Soviets’ confidence. However, on 30 May 1971 NASA released Mariner 9 into the skies above Cape Canaveral, hot on the heels of Mars 2 and Mars 3. It reached Mars by 14 November of the same year, beating the sluggish Mars 2 and 3 by a few weeks. Even so, Mariner 9 had to wait out months of relentless dust storms raging across Mars before it could take any of the 7,329 clear images of the Red Planet that it ultimately beamed back to anxiously waiting scientists on Earth. It saw river beds, craters, canyons, great extinct volcanoes such as Olympus Mons, as well as obvious signs of erosion from water and wind. Following Mariner 9’s successful visit, in 1975 NASA launched the twin Viking missions, each one 3 Destination Mars unmanned missions and instead are carbon dioxide in Mars' atmosphere focusing on landing the first man on to create the methane and oxygen the Red Planet in a step that makes rocket propellant and oxidiser. “So Manned science fiction a reality. The feat has now you have a fully fuelled Earth- become a race once again. return vehicle waiting on the Martian missions to Mars Zubrin thinks he knows how to surface,” he says. “Then you shoot win the race to the Red Planet. In the crew out to Mars and because . The leading candidates in the new race to Mars the Nineties he developed a daring the return vehicle is waiting on Mars, plan that he called Mars Direct. “The they don’t need to fly to Mars on a 1. Inspiration Mars 3. NASA basic idea of the Mars Direct mission giant spaceship, they just fly to the With the intention of sending a The National Aeronautics and Space is to explore Mars with a travel-light Red Planet in a habitation module man and a woman on what has the Administration, NASA, is the world philosophy,” he says. “Rather than that lands in the vicinity of the Earth- makings of a historic mission lasting leader in Mars exploration. Its most building giant spaceships loaded return vehicle.” 501 days, Inspiration Mars intends recent development to send humans with all of the food, water, air, fuel After 18 months on the surface, to safely return its crew to Earth to Mars in a 2030 timeframe is and oxygen required for a round-trip the astronauts then head home in after they fly within 160 kilometres also currently under review. One mission, we try to make the most the Earth-return vehicle, leaving (100 miles) of the Red Planet, using possibility is the Orion Multi-Purpose important of these on Mars.” the habitation module on the Red technologies derived from NASA Crew Vehicle that was announced For example, Zubrin proposes that Planet. But then a second manned and the International Space Station. by NASA in 2011. It is hoped that the an unmanned mission go ahead first, mission is launched, delivering The plan is to use the gravitational Orion capsule will be able to carry carrying with it an Earth-return craft another habitation module to the influence of Mars to slingshot their between two and six astronauts and the ability to make rocket fuel on surface, and then a third and a fourth. manned vehicle onto a return course sometime after 2020. It is intended Mars by reacting hydrogen with the “Before long you have the first human back to Earth. They will not land on that the 8,900-kilogram (19,600- Mars. The ship’s inflatable habitat pound) module will be able module will be deployed after launch to return to Martian orbit using “ I do favour and detached prior to re-entry into methane propellant made from Mars' our planet’s atmosphere. soil. Image 3 shows the recent Orion sending robots to drop test where scientists used a 2. SpaceX mock-up of the Orion crew module Mars... but they SpaceX is the world’s first privately to simulate various water-landing held company to send cargo to the scenarios to account for the different are just the International Space Station and now velocities, parachute deployments, the company’s founder and CEO Elon entry angles, wave heights and wind advance scouts” Musk intends to send a mission to conditions on Mars. Dr Robert Zubrin Mars. First will be a sample-return mission called Red Dragon, that 4. Mars One will also look for signs of life. Its Adamant that the technologies to The NDX-1 spacesuit, designed by aerospace engineer Pablo de Leon for possible use on Mars, long-term plans, however, are to land the first humans on Mars exist, was able to endure the icy temperatures and send a manned mission to Mars in a Dutch start-up Mars One aims to battering winds during tests in Antarctica modified version of its already built spend an estimated $6 billion to Dragon capsule. The intention is initially send four individuals to the for the capsule to descend through Red Planet. They will be tasked with the Martian atmosphere and land setting up a habitable outpost based on the rocky surface without the on ready-made hardware that will be need for a parachute. The capsule’s sent to the planet in advance. After own drag may slow it down enough installing their habitat, the members to allow retro-propulsion thrusters of the first colony outside of Earth for a controlled enough descent. will be expected to grow their own Eventually SpaceX wants to shuttle food, mine their own water and 80,000 people to Mars with the oxygen, perform research and, of intention of colonising the planet.
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