Gravity, Weightlessness, and Beyond: Spacewalks 

Gravity, Weightlessness, and Beyond: Spacewalks

Description/Paper Instructions

Gravity, Weightlessness, and Beyond: Spacewalks

Spacewalks, also known as Extravehicular Activities (EVAs), are a critical component of space exploration and research. These activities involve astronauts leaving the confines of their spacecraft to perform tasks in the vacuum of space. In this article, we will explore the physics of gravity and weightlessness in space, the challenges of performing EVAs, and the potential benefits of spacewalks.

One of the most notable differences between space and Earth is the absence of gravity. In space, objects are in a state of constant freefall, giving the sensation of weightlessness. However, the force of gravity is still present in space, albeit at a much weaker level. This is due to the gravitational pull of celestial bodies such as planets and stars.

Weightlessness presents both challenges and opportunities for spacewalks. On the one hand, it allows astronauts to move freely and perform tasks without the restrictions of Earth’s gravity. However, it also makes it difficult for astronauts to orient themselves and maintain stability while performing tasks.

One of the primary challenges of EVAs is the harsh environment of space. Temperatures can range from hundreds of degrees above zero to hundreds of degrees below zero, and the vacuum of space presents a significant risk of decompression sickness if astronauts are not properly suited up.

To mitigate these risks, astronauts wear specially designed spacesuits that provide them with protection from the harsh environment of space. The suits are equipped with oxygen tanks, cooling systems, and communication devices that allow them to communicate with their fellow astronauts and mission control.

Performing EVAs also requires extensive training and preparation. Astronauts must be able to perform complex tasks while wearing bulky spacesuits and maneuvering in the weightless environment of space. This requires a high level of physical and mental conditioning, as well as specialized training in EVA procedures.

Despite the challenges of performing EVAs, there are many potential benefits to spacewalks. One of the primary benefits is the ability to perform maintenance and repairs on spacecraft and satellites in orbit. This can extend the lifespan of these critical assets and improve their performance.

Spacewalks also play a critical role in scientific research. Astronauts can collect samples and perform experiments in the unique environment of space, providing valuable insights into a wide range of scientific disciplines, from biology and physics to astronomy and geology.

In addition, spacewalks can also serve as a platform for technology development. Researchers can test new equipment and technologies in the extreme environment of space, paving the way for future space missions and applications.

In conclusion, spacewalks represent a critical component of space exploration and research. They present unique challenges and opportunities that require extensive training and preparation, but also offer potential benefits in the areas of maintenance and repair, scientific research, and technology development. As we continue to explore the frontiers of space, spacewalks will undoubtedly continue to play a critical role in advancing our understanding of the universe and expanding our technological capabilities.

RUBRIC QUALITY OF RESPONSE NO RESPONSE POOR / UNSATISFACTORY SATISFACTORY GOOD EXCELLENT Content (worth a maximum of 50% of the total points) Zero points:  Student failed to submit the final paper. 20 points out of 50:  The essay illustrates poor understanding of the relevant material by failing to address or incorrectly addressing the relevant content; failing to identify or inaccurately explaining/defining key concepts/ideas; ignoring or incorrectly explaining key points/claims and the reasoning behind them; and/or incorrectly or inappropriately using terminology; and elements of the response are lacking. 30 points out of 50:  The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately.  Elements of the required response may also be lacking. 40 points out of 50:  The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples.  The answer is complete. 50 points:  The essay illustrates exemplary understanding of the relevant material by thoroughly and correctly addressing the relevant content; identifying and explaining all of the key concepts/ideas; using correct terminology explaining the reasoning behind key points/claims and substantiating, as necessary/useful, points with several accurate and illuminating examples.  No aspects of the required answer are missing. Use of Sources (worth a maximum of 20% of the total points). Zero points:  Student failed to include citations and/or references. Or the student failed to submit a final paper. 5 out 20 points:  Sources are seldom cited to support statements and/or format of citations are not recognizable as APA 6th Edition format. There are major errors in the formation of the references and citations. And/or there is a major reliance on highly questionable. The Student fails to provide an adequate synthesis of research collected for the paper. 10 out 20 points:  References to scholarly sources are occasionally given; many statements seem unsubstantiated.  Frequent errors in APA 6th Edition format, leaving the reader confused about the source of the information. There are significant errors of the formation in the references and citations. And/or there is a significant use of highly questionable sources. 15 out 20 points:  Credible Scholarly sources are used effectively support claims and are, for the most part, clear and fairly represented.  APA 6th Edition is used with only a few minor errors.  There are minor errors in reference and/or citations. And/or there is some use of questionable sources. 20 points:  Credible scholarly sources are used to give compelling evidence to support claims and are clearly and fairly represented.  APA 6th Edition format is used accurately and consistently. The student uses above the maximum required references in the development of the assignment. Grammar (worth maximum of 20% of total points) Zero points:  Student failed to submit the final paper. 5 points out of 20:  The paper does not communicate ideas/points clearly due to inappropriate use of terminology and vague language; thoughts and sentences are disjointed or incomprehensible; organization lacking; and/or numerous grammatical, spelling/punctuation errors  10 points out 20:  The paper is often unclear and difficult to follow due to some inappropriate terminology and/or vague language; ideas may be fragmented, wandering and/or repetitive; poor organization; and/or some grammatical, spelling, punctuation errors 15 points out of 20:  The paper is mostly clear as a result of appropriate use of terminology and minimal vagueness; no tangents and no repetition; fairly good organization; almost perfect grammar, spelling, punctuation, and word usage. 20 points:  The paper is clear, concise, and a pleasure to read as a result of appropriate and precise use of terminology; total coherence of thoughts and presentation and logical organization; and the essay is error free. Structure of the Paper (worth 10% of total points) Zero points:  Student failed to submit the final paper. 3 points out of 10: Student needs to develop better formatting skills. The paper omits significant structural elements required for and APA 6th edition paper. Formatting of the paper has major flaws. The paper does not conform to APA 6th edition requirements whatsoever. 5 points out of 10: Appearance of final paper demonstrates the student’s limited ability to format the paper. There are significant errors in formatting and/or the total omission of major components of an APA 6th edition paper. They can include the omission of the cover page, abstract, and page numbers. Additionally the page has major formatting issues with spacing or paragraph formation. Font size might not conform to size requirements.  The student also significantly writes too large or too short of and paper 7 points out of 10: Research paper presents an above-average use of formatting skills. The paper has slight errors within the paper. This can include small errors or omissions with the cover page, abstract, page number, and headers. There could be also slight formatting issues with the document spacing or the font Additionally the paper might slightly exceed or undershoot the specific number of required written pages for the assignment. 10 points: Student provides a high-caliber, formatted paper. This includes an APA 6th edition cover page, abstract, page number, headers and is double spaced in 12’ Times Roman Font. Additionally, the paper conforms to the specific number of required written pages and neither goes over or under the specified length of the paper.
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