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Advantages And Disadvantages Of Space Travel Essay

14 Strikingly Fascinating Pros and Cons of Space Exploration

Space exploration invokes the interest of many. The possibility of finding life in extraterrestrial space leaves us mystified. While some believe that space travel and research in the field has advantages, there are others who criticize the field for having no real benefit for mankind. What are the pros and cons of space exploration?
"Of course risk is part of spaceflight. We accept some of that to achieve greater goals in exploration and find out more about ourselves and the universe."
~ Lisa Nowak, American former naval flight officer and NASA astronaut
We plan vacations to faraway lands. But how would it feel if we could plan a vacation to Mars? Won't it be exciting? Although it sounds unbelievable, it may turn into a reality. Thanks to space exploration, we might be able to find a planet where life can exist, or we may even discover extraterrestrial life. But these are only possibilities. Is the expenditure of money and resources on space travel really worthwhile? Here we discuss the pros and cons of exploring space.
▸ Space exploration can help us gain knowledge of other planets, stars, and celestial bodies. It has the potential to resolve mysteries of the outer space. Somewhere in space, we may find life. We may discover completely different life forms on another planet that supports life. Or we might find a planet that can sustain life. We may even find new human-like species, or aliens who are more developed than us. Exploring space may lead us to the discovery of an all-new world.
▸ Space research has the potential to bring changes to our living by introducing developments in science and opening doors to new information. In fact, space exploration has already benefited us in many ways. Satellites help locate minerals and fossil fuels. We have been able to harness solar energy due to our knowledge of the sun. Scientists are trying to understand if the process by which heat and light energy is produced by the sun, can be replicated on Earth to generate energy for human use. Through space exploration, we may be able to find new energy sources. This field paves the path for the study of cosmic radiations and their effects and uses.
▸ Satellites help us in forecasting weather and in predicting natural calamities. Satellite communication, TV, radio, and GPS are among some of the very important advantages of space exploration.
▸ Our understanding of the Earth has increased due to space exploration. Scientists are able to study the Earth's atmosphere from space and understand the changes in climate and their effects on the life on Earth. A pro of space travel is that it is possible to observe our planet from a distance. Satellites help the scientists assess how well and for how long our planet will be able to sustain life. Changes in the environment, and issues like global warming and ozone depletion can be studied. Space exploration has helped answer questions like how the Earth was formed or where organic materials come from.
▸ By exploring space, scientists can now know when an asteroid is going to pass close to the Earth's orbit or whether there are chances of it striking our planet and the harm it may cause. Asteroids that may threaten life on Earth can be mapped, thanks to space research. And scientists have even been able to devise ways to prevent the impact of asteroids by diverting near-Earth objects away from Earth.
▸ An important benefit of space exploration is that this field creates jobs. Organizations like NASA have thousands of employees. Space programs create employment. Space exploration involves both astronomy and space technology. The fields create work opportunities for not just astronauts, but even scientists and engineers who work on unmanned spacecraft, astronomers who study objects in space, and professionals who work in designing and testing space equipment.
▸ Space exploration whets the human appetite for adventure. Those willing to risk life for that 'out of the world' experience, quite literally so, obtain the relevant education and work with a space research organization. They participate in space studies and some of them even have the opportunity to travel to space. Space exploration satisfies the human desire of adventure and accomplishment.
▸ Space research needs the use of high-end technology, including specialized communication devices, small computers, robots, and other space equipment. Thus space exploration has the potential to drive innovation.
▸ Space exploration programs can help achieve cooperation between countries. Different nations come together in the pursuit of a common goal. When space research agencies come together, resources and expenses are shared and the research costs do not burden just one country. Space studies bring researchers from different parts of the world together, thus achieving a sharing of knowledge and co-operative effort.
▸ One of the most important cons of space exploration is the money spent on research. Space travel is very costly. The research undertaken needs the implementation of advanced technology, further adding to the costs incurred. Due to time that needs to be invested, and that when compared to the outcome, the research does not prove to be cost-effective. The cost of education for this field is also very high. The money that is spent on space exploration can rather be spent to reduce poverty in the underdeveloped countries. The national wealth can be channelized towards the betterment of the downtrodden lot of society. A huge amount of money is required for traveling to space. Critics of space exploration argue that it is not right to spend money on something like space research when several people on the planet are unable to meet even their basic needs.
▸ Manned missions to space pose a great risk on the astronauts. Thus, space exploration risks human life. The stay in a spacecraft is not easy, the conditions are harsh, making the survival during space travel a challenge. Effects of radiation on the body and bone loss resulting from microgravity are some of the health risks during space travel. Of course, unmanned missions eliminate these dangers, but as robots have to be employed, additional technology costs are incurred.
▸ We always associate space research with the discovery of life or precious materials that could be of our use. But exploring space may land us in trouble. In space, we may find something that is lethal to the life on Earth. We may discover something that is harmful to the living beings on our planet. There is a possibility of finding dangerous organisms.
▸ What we leave behind in space, known as space junk or space debris, leads to space pollution. The debris include coolant droplets, dust, non-functional spacecraft, old satellites, and pieces of any man-made objects that continue to orbit the Earth.
▸ Uniting the world may be cited as an advantage of space exploration. However, it may lead to disputes within nations. Satellites could be used by one country to spy over another. Among the cons of space travel is that it may be conducted with the wrong intentions. This may lead to strained relations between countries as also an unhealthy competition.
Space exploration can mean a major leap for mankind. However, it is also criticized for not having achieved any major scientific breakthroughs. Public interest can serve as the determinant in judging the suitability of space exploration. It may not be wise to make such huge expenses on space exploration if other human needs are being ignored or left unfulfilled. But the hope to find extraterrestrial life thrives on space exploration.

List of Pros and Cons of Space Exploration

The idea of space exploration has been around for thousands of ears as far back as Galileo working with the theory of the stars. Thousands of years later, we have gone to the moon, explored areas of space we never would know about otherwise and are in the time of a millennium when there are endless possibilities to space exploration. Many people question if space exploration is something that we should be looking into and while many have pros for it, there are also cons against it that should be considered.

Pros of Space Exploration

1. Space exploration allows us to find out more about the galaxy we are in as well as learn more about our planet.

2. Finding an inhabitant planet other than earth can help reduce and possibly solve the problem of global warming. It can also help overpopulation concerns.

3. While we are exploring space, we have learned so many things we wouldn’t know otherwise. we have learned of starts, planets other galaxies, and the new coming idea of what could be past our galaxy are endless.

4. The design of new technology evolves as space exploration expands and evolves, all of which generates jobs, opportunities and the overall good of the world.

5. Weather patterns can be studied when we are in space, allowing for a better understanding of one of nature’s strongest forces.

Cons of Space Exploration

1. Space exploration takes up a lot of valuable and costly resources that could be better used in a needy world.

2. Space exploration is very costly to do. With budget cuts and the government in deep debt, it is hard to think how much more exploration we can actually accomplish without the financial means to do so.

3. Traveling into space is dangerous and those who go into space risk their health when doing so. The conditions outside the earth’s atmosphere can cause any medical conditions and make health concerns worsen.

4. It is quite possible that there are diseases in the other atmospheres that could be a detriment to the country if it were to ever come into the earth’s atmosphere. The chances are unlikely, but there is a lot more of space to learn about.

5. Items that came into the earth’s atmosphere that don’t break up upon entry and disintegrate can cause massive damage when they land on the earth, such as a meteor.

While the idea of space travel and exploration is always going to be a stunning topic, there are plenty of pros and cons to consider before we do anymore space exploration in this country. With the advancements made in engineering and technology, some of these concerns can be eliminated to make space exploration easier and safer, but the high financial cost to this exploration may soon become too much or the nation to bare.

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