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EVALUATION OF EXISTING PUBLIC DOSE LIMITS APPLIED TO RECREATIONAL SPACEFLIGHT.

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Area of Science:

  • Spaceflight radiation safety
  • Astrobiology and space medicine
  • Aerospace policy and regulation

Background:

  • The 'as low as reasonably achievable' (ALARA) principle guides radiation protection.
  • Occupational dose limits exist for civil astronauts.
  • The burgeoning space tourism sector lacks specific non-occupational astronaut dose limits.

Purpose of the Study:

  • To highlight the urgent need for non-occupational astronaut radiation dose limits in space tourism.
  • To emphasize the inadequacy of existing public dose limits for this sector.
  • To advocate for new regulations and safety procedures for recreational spaceflight.

Main Methods:

  • Review of current radiation protection principles (ALARA).
  • Analysis of existing occupational dose limits for astronauts.
  • Assessment of the applicability of current public dose limits to space tourism.
  • Discussion on the necessity for new regulatory frameworks.

Main Results:

  • Existing occupational limits are insufficient for space tourists.
  • Current public dose limits are not universally applicable to space tourism.
  • A significant gap exists in radiation safety guidelines for recreational spaceflight.

Conclusions:

  • Developing specific radiation dose limits for space tourists is imperative.
  • New regulations are needed to ensure passenger safety and public confidence.
  • Balancing radiological risks with other spaceflight hazards is essential for sustainable space tourism.