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Essay about space exploration history
Space exploration from the beginning to the present
Space exploration from the beginning to the present
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Space exploration has changed and developed since the first man was sent into space. Advanced rockets, new computer technology, and remote controlled robots are only a few of the things that made space travel possible. Even though this technology was efficient, it was not cheap. When a rocket was sent into space, only the capsule holding the astronauts returned to space. This expensive way of space travel was forever changed with the creation of the space shuttle. The Columbia space shuttle was important to space exploration because it used new technology that changed space travel, completed missions that other spacecraft could not, and brought new people into space.
NASA received a contract to build the shuttle on July 26, 1972 as a prototype named the Enterprise (Dunbar “Space Shuttle” 1). Construction began on March 25, 1975, in Rockwell International’s assembly plant in Palmdale, California, and was completed and ready for its first flight on April 12, 1981 (Dunbar “Space Shuttle” 1). The first reusable spacecraft was too heavy, weighing 178,000 pounds, and missing the necessary tools to assist with the construction of the International Space Station (Dunbar “Space Shuttle” 1). Columbia was still used to discover breakthroughs in science, though, and was renamed Columbia after the first American ship to travel around the earth and the Apollo eleven command module (Dunbar “Space Shuttle” 1). Columbia is also commonly referred to as OV-102, or Orbiter Vehicle-102 (Dunbar “Space Shuttle”, 1).
The first flight of the Columbia, also known as STS-1 (Space Transportation System One), was launched on April 12, 1981, as a test flight of the combined performance of the external tank, the shuttle itself, and the solid rocket boosters ...
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...vy Dive Team, the Texas Forest Service, the U.S. Forest Service, and the Environmental Protection Agency (Moffett 1). The area containing shuttle parts was about 240 miles long and ten miles wide, which stretched across east Texas and into west Louisiana (Moffett 1). About thirty-eight percent of the Columbia was found, along with the bodies of the crew (Dunbar “STS-107” 1).
Overall, the Columbia space shuttle contributed a great deal to space exploration, from its construction in 1981, to its destruction while reentering earth’s atmosphere in 2003. The Columbia brought a new era of space exploration, and during its twenty-nine missions had many firsts in space. The Columbia space shuttle was important to space exploration because it used new technology that changed space travel, completed missions that other spacecraft could not, and brought new people into space.
"One small step for man, one giant leap for mankind," said by Neil Armstrong as he took his first steps on the moon during the NASA Apollo 11 expedition to the moon. No man has ever been to the moon before and NASA, The National Aeronautics and Space Administration, was the first to get someone to land on the moon. NASA has had many great accomplishments in exploring the "new frontier" that have affected the United States ever since it was first created in July 1958. The idea for NASA first started when the Soviet Union launched the first satellite on October 4, 1957. United States started up its own space travel program and started to work on its own projects that would be better in than the Soviet Union's. This all started the great space race. It was a big race between the Soviet Union and the United States to see who could learn and discover the most. The United States and Soviet Union started building and sending satellites and space ships. Then they tried to see who could make a suit and ship that would be able to allow a living thing to go up in space. They tested out all of the equipment with monkeys and dogs, seeing what would work. Many animals did die in the process but by the results of their testing they were able to build suits and ships that allow human beings to go up in space. Even though they were able to create these machines, that doesn't mean that they didn't have their difficulties and dangers. Two space shuttles were crashed or blown up. There were many key factors that they had learned to fix that resulted in the crashing of those ships. They have made many discoveries and accomplishments like having the first astronauts walk on the moon.
history. It managed to send the first human into orbit and to the moon. The discoveries, NASA have made in the recent decades have enabled us to have more knowledge of planets and stars, and resources way beyond this planet. In another hand, reasons as to why the U.S. Government should continue to fund NASA 's space program is a huge deal today. With the ideals that American tax dollars should be spent on more important things and that companies are now able to construct their own rockets that are able to send people on excursions into space, really is what challenges government support and true betterment of
It was on January 28, 1986 at 11:38 A.M. that the shuttle Challenger, NASA flight 51-L, the twenty-fifth shuttle flight, took off. It was the "Teacher in Space" mission. At lift-off, the temperature at ground level was 36° Fahrenheit, which was 15° Fahrenheit cooler than any previous launch by NASA. It was the Challenger's tenth flight. Take-off had been delayed several times. Finally the shuttle had taken off. The shuttle had climbed high in the sky thirty-five seconds after take-off, and it was getting hit by strong winds. The on board computers were making continuous adjustments so the shuttle would stay on course. About eight miles in the air, about seventy-two seconds after take-off, people watched in fear and horror as the shuttle was engulfed by a huge fire ball. All the crew members were killed instantly.
A shuttle is the size of a jetliner, lifts into space using powerful boosters, and returns to Earth as a glider due to its aerodynamic wings. Launching like a rocket, it orbits the earth like a spacecraft and lands like an airplane ("Shuttle Basics," par. 1). It takes eight and a half minutes for the shuttle to reach space, it travels at 17,500 miles per hour, and the crew can see the sunrise or sunset every 45 minutes ("Space Shuttle Program," par. 3). The shuttle consists three main parts: the Orbiter Vehicle, two Solid Rocket Boosters, and the External Tank.
Moving on to the 60’s and forward the space program expanded greatly. According to Areospace.com, “The first U.S. satellite, Explorer 1, went into orbit on January 31, 1958” (Areospace.com). Advancements continued onward. As stated by Areospace.com, “In 1961 Alan Shepard became the first American to fly into space. On February 20, 1962, John Glenn’s historic flight made him the first American to orbit Earth” (Areospace.com). The spacecraft technology continued to evolve to today’s astronauts who can more easily transverse the atmosphere’s barrier and make it to space now. Moreover, medical develops like the pacemaker, invented in 1959, has been perfected or discovered along with other medical inventions like: the polio vaccine, the open heart surgery, the discovery of DNA, the first organ transplant, the contraceptive pill, and so
On February 1, 2003, the Space Shuttle Columbia was lost due to structural failure in the left wing. On take-off, it was reported that a piece of foam insulation surrounding the shuttle fleet's 15-story external fuel tanks fell off of Columbia's tank and struck the shuttle's left wing. Extremely hot gas entered the front of Columbia's left wing just 16 seconds after the orbiter penetrated the hottest part of Earth's atmosphere on re-entry. The shuttle was equipped with hundreds of temperature sensors positioned at strategic locations. The salvaged flight recorded revealed that temperatures started to rise in the left wing leading edge a full minute before any trouble on the shuttle was noted. With a damaged left wing, Columbia started to drag left. The ships' flight control computers fought a losing battle trying to keep Columbia's nose pointed forward.
Surprisingly, the United States’ space program started with the Cold War. The Cold war pushed the United States and the Soviet Union into a space race in which both nations rapidly developed space programs and tried to best each other in space exploration (Cold War 1). The Kennedy Space Center was built in Florida as a control center which handled many of the shuttle launches into space (NASA 1). The Space Center was built in Florida for many specific reasons including climate and location (Matson 1). The rapid development of the Space program and the Kennedy Space Center significantly changed the development of the surrounding communities in various ways. The development of NASA and the Space Center was undoubtedly one of the most ambitious and influential undertakings of its time.
The space race was the product of the Cold War. It was an effort to prove technological superiority but on the other hand, it was also feared on both sides that weapons of mass destruction will be placed in orbit. In 1957, the Soviet Union sent the 184 pound Sputnik 1 satellite into Earth’s orbit. It was the first artificial satellite and the first manmade object to be placed into Earth’s orbit. Following that, they also sent the first animal into space, Laika the dog. In 1958, the United Sates also launched their first satellite into orbit, dubbed Explorer 1. The Soviet space program advanced once again in 1959. The Soviet Union launched Luna 2, which was the first space probe to hit the moon. In April 1961, the Soviet Union had the ultimate success, sending the first human into space. The name of the Russian cosmonaut was Yuri Gagarin, who made a 108 minute suborbital flight in a Vostok 1 spacecraft. One month after that, Alan Shepard became the American in space aboard the Freedom 7 spacecraft. Continuing from there, each nation step...
Space travel was born from the flames of war – or in this case, the refrigerators of war. The Soviet Union and the United States were ready to show up each other in the fields of science and engineering, and with the recent advent of rocketry, it was evident that space was the next goal. Russia held the first few victories: including the first man-made satellite and the first man in space. Following these defeats, America picked itself up, and defeated the Russians on the race to the moon.
At 9 a.m. on February 1st, 2003, disaster struck the space shuttle program: Columbia had disintegrated upon re-entry into Earth’s atmosphere just 16 minutes before it was supposed to land at Kennedy Space Center (National Geographic News par 2-3). The shuttle had been damaged by little more than foam from the external tank but it was enough to make it susceptible to the high temperatures it faced as it descended through the atmosphere. The idea that a space shuttle can endure damage that is unforeseen or unavoidable is well within reason. However, in retrospect it was found that foam strikes were present on most shuttle missions and NASA had a history of diminishing their recognized danger in favor of increasing the chances of meeting mission deadlines. Columbia and its crew of seven astronauts were doomed from launch due to a combination of the damage it sustained and the unwillingness of program managers to allow anyone to investigate it further during the mission. The Columbia disaster should spur NASA to reevaluate their policies in order to pay closer attention to matters of safety in their space programs.
Relating to the Audience: I believe that the Space Shuttle program has fascinated most if not all of you at some point of time, so much so that it has driven some of us to pursue Aerospace Engineering. Thus, it is a good idea to explore the program’s end result, the reason why it was started in the first place – To build the International Space Station.
The 1960's brought new advancements for all of Earth. Machines and men were sent into space, and this sparked a new government agency, called NASA. Space was a new frontier, and virtually everyone was interested in exploring it. Over the years, the interest in space exploration has weakened, and NASA was almost terminated from existence, although there have been many advancements in it over that time. Space exploration should continue because it could help solve many problems on Earth, such as overpopulation and lack of resources. Exploration of the final frontier must continue in order for human life to continue.
In the past 100 years, we have made much advancement in all areas of society. The way people live has changed drastically just in the past century. Technology in particular has advanced more in these last 100 years then all previous time combined. For example, because of the research done by many innovative and dedicated individuals such as the Wright Brothers who were the first to sustain flight in a powered airplane, we are able to fly all over the world in a matter of hours in jet propelled pressurized aircraft. One hundred years ago, the thought of man flying in a machine was insane. The Wright Brothers helped to realize the dream of manned flight. Many years later, after the idea of manned flight becoming a reality, space exploration was the next step. In 1969, many people did not believe what happened. Neil Armstrong and Buzz Aldrin landed on the moon. They posted an American flag, explored, collected space rocks and came back home. Many Americans did not believe that the technology existed to go that far. Today, several missions a year are launched using manned space shuttles that can be flown back to earth like gliders and reused on future space missions.
The modern day space environment is no longer a mystery to humans. Yuri Gagarin of Russia was the first person to experience space adventure in 1961. Since then, technological advances have enabled space exploration, with new discoveries being made from time to time. Scientists have significantly contributed to the development of space tourism. Noteworthy inventions by the National Aeronautics and Space Administration (NASA) have transformed human life through increasing accessibility to space. The agency has made it possible for astronauts to go to the moon and also to walk around planet Mars with robotic automobiles. The invention of the tri-axis control design has had a significant influence on modern space explorations, helping astronauts to effectively focus their satellites on the target. This has been important in increasing efficiency and precision in astronomical discoveries (Birchard, 2003).
Space exploration is very beneficial to humankind because it creates new technologies, it brings different countries together, and gives people a better understanding of our Earth.