The Mini-Earth facility and present status of habitation experiment program.

Area of Science:

• Ecological Engineering
• Bioregenerative Life Support Systems
• Space Habitation Technology

Background:

• The Controlled Ecological Experimental Facility (CEEF), or Mini-Earth, represents a significant development in closed ecological systems.
• Understanding the CEEF's design and operational parameters is crucial for advancing long-term space habitation.
• Previous research focused on establishing the foundational aspects of the CEEF's structure and function.

Purpose of the Study:

• To provide a comprehensive overview of the CEEF's construction history, configuration, and scale.
• To detail the functional areas and equipment within the plant cultivation and animal habitation modules.
• To introduce the material circulation systems and subsystems essential for the CEEF's operation and to present pre-habitation experiment findings.

Main Methods:

• Historical documentation review for construction and design.
• Detailed description of module configurations, usable areas, and installed equipment.
• Introduction to the material circulation system mechanisms and subsystems.
• Analysis of pre-habitation experiment data collected up to 2004.

Main Results:

• The CEEF's physical structure, including its scale and configuration, has been established.
• Effective usable areas and accommodation equipment for plant and animal modules are defined.
• Material circulation systems and their subsystems have been elucidated.
• Pre-habitation experiments provided insights into requirements for future closed habitation.

Conclusions:

• The CEEF's design and foundational systems are well-documented.
• Pre-habitation experiments have laid the groundwork for advancing towards fully closed habitation.
• Further research and experimentation are necessary to refine requirements for final closed habitation.