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Human Assisted Science at Venus: Venus Exploration in the New Human Spaceflight Age (2006.04900v1)

Published 8 Jun 2020 in astro-ph.IM and physics.pop-ph

Abstract: Some human mission trajectories to Mars include flybys of Venus. These flybys provide opportunities to practice deep space human operations, and offer numerous safe-return-to-Earth options, before committing to longer and lower-cadence Mars-only flights. Venus flybys, as part of dedicated missions to Mars, also enable human-in-the-loop scientific study of the second planet. The time to begin coordinating such Earth-to-Mars-via-Venus missions is now

Citations (3)

Summary

  • The paper demonstrates that incorporating Venus flybys in Mars missions reduces energy consumption and cost, while providing an effective platform for human-assisted scientific exploration.
  • It outlines techniques for real-time decision-making and improved hazard avoidance during planetary flybys, enhancing both scientific returns and crew training for deep-space missions.
  • The study highlights Venus flybys as a dual-purpose strategy that gathers unique atmospheric and geological data and prepares crews for the operational challenges of Mars missions.

An Analysis of Human-Assisted Science Opportunities at Venus Through Flybys

This paper explores the prospects and implications of integrating human-assisted scientific operations during Venus flybys as a component of planned opposition-class human missions to Mars. The authors argue that the inclusion of Venus flybys offers significant opportunities for conducting valuable scientific exploration, in parallel with supporting logistical and strategic goals for human Mars missions. By leveraging Venus flybys, researchers can conduct real-time scientific studies of Venus and prepare for the challenges of deep space human operations.

The paper identifies several key objectives and potential benefits arising from Venus flybys in conjunction with Mars missions:

  1. Reduction in Energy Requirements: Implementing Venus flybys, based on insights from NASA studies such as EMPIRE and UMPIRE from the 1960s and early 1970s, can decrease energy demands for opposition-class Mars missions. This proposed cost-effective strategy advances the current two-year round-trip Mars mission plan.
  2. Scientific Exploration Opportunities: Venus flybys present unique science scenarios otherwise inaccessible to robotic missions alone. This includes:
    • Real-time decision-making with low-latency communication during Venus flybys enabling more effective operation of robotic platforms.
    • Enhanced landing precision and hazard avoidance through human guidance in descent sequences.
    • Aerial and low-altitude geological and atmospheric surveys by scientists aboard flyby spacecraft, maximizing immediate data acquisition.
  3. Sample Retrieval Potentials: Venus flybys could be used to collect and retrieve atmospheric samples for onboard analysis, an opportunity that could further the understanding of Venusian atmospheric composition and similarities to terrestrial planets.
  4. Logistical Enhancements: With the mass of crewed missions already substantial, additional scientific payloads for Venus can be incorporated with minimal mass cost, optimizing resource utilization for extended missions beyond Earth.
  5. Training for Mars Missions: Engaging in Venus flybys could act as effective preparatory missions for Mars expeditions. These missions serve not only as practical training expeditions for humans but also offer opportunities to manage communications latency and manage crew health during prolonged exposure to space environments.

The implications, both theoretical and practical, are manifold. Scientifically, these missions could significantly advance understanding of Venus' evolutionary history and its geologic, atmospheric, and potential habitable past. Practically, implementing Venus flybys in Mars missions could refine human spaceflight capabilities, support NASA’s goal of reaching Mars, and potentially catalyze inter-departmental collaboration within NASA. Furthermore, leveraging Venus missions could foster economic efficiencies in planetary exploration by distributing costs across multi-planet missions.

The paper envisions that incorporating Venus flybys would address numerous challenges associated with crewed missions to Mars and potentially serve as a robust testbed for future interplanetary human explorations. By advancing system-level preparations and strategic collaborations, the possibilities for maximizing scientific returns from the Venusian exploration are immense, which could reshape the trajectory of human space exploration for the coming decades.

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