Exploring Challenges and Projects in Interstellar Travel

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Discover the limitations of zero gravity travel, potential solutions like artificial gravity, and ongoing projects by organizations like NASA and Icarus Interstellar aiming to revolutionize interstellar travel. Explore the idea of world ships and the feasibility of sustaining human life on board for centuries.

  • Interstellar
  • Travel
  • Artificial Gravity
  • NASA
  • Icarus Interstellar

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  1. Brock Halling Interstellar Travel

  2. Limitations to zero gravity travel Lack of gravity affects almost every part of body Muscle atrophy Bone density Vision and brain function Psychological effects Stress Depression Sleep deprivation

  3. Artificial Gravity Ideas include centrifugal forces due to rotation Downside: The centrifuge has to be relatively large compared to persons traveling and spin slowly or Coriolis forces will create inhabitable conditions Another idea is constant linear acceleration Downside: to continue to accelerate at constant acceleration requires a constant force to drive acceleration (F = ma). An almost unlimited fuel source would be need or a short travel time.

  4. Projects for Interstellar Travel NASA Breakthrough Propulsion Physics Program Funded by NASA from 1996-2002; Studied various ways to revolutionize spacecraft propulsion and looking for breakthroughs; Of the 14 studied topics, 4 were found as opportunities for continued research 100 year star ship project A grant given by NASA to a private entity to create a business plan that could come up with the needed research models and technology to have an interstellar mission within the next 100 years. Icarus interstellar (don t know how good of an idea it is to name an interstellar project after Icarus)

  5. Icarus Interstellar Icarus Interstellar is a non profit, international organization working on forwarding interstellar travel. http://www.icarusinterstellar.org/ One of their projects is project Hyperion. This is a project to have interstellar flight with the ability to sustain and promote human life on board. The idea is to have world ships, which are massive space ships that have the capacity to support over 100,000 people for centuries. Almost like a man made planet like the Death Star! These ships would travel at less than a percent the speed of light toward their final destinations.

  6. Icarus Interstellar cont. The paper, World Ships architecture & feasibility revisited by Hein, Pak, and Putz, discusses the actual feasibility and other challenges that would need to be thought about and overcome to create a sustainable world ship. A fun paper to read through and think about. Fig 4 is their conceptual design for the world ship utilizing centrifugal artificial gravity.

  7. Resources https://www.space.com/11200-nasa-100-year-starship-interstellar- travel.html https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19980201240 .pdf http://www.icarusinterstellar.org/projects/project-hyperion A.M. Hein, M. Pak, D. Putz, C. Buhler, P. Reiss, World Ships Architectures & Feasibility Revisited , Journal of the British Interplanetary Society 65, 119-133, 2012

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