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Ideas for tomorrow

  • Earth, our spaceship
  • How to best organize the management of the Earth’s limited natural resources
  • The Earth, a relatively isolated spaceship.
  • The Earth, a spaceship in delicate balance.
  • Becoming aware of our impact on keeping Spaceship Earth operational.
  • The need to develop a circular economy on Spaceship Earth
  • Why is it necessary for humans to protect the natural environment of their spaceship Earth?
  • If the Earth is a spaceship, why should humans stop fighting wars?
  • Why, if the Earth is a spaceship, do human beings need to show solidarity?
  • If the Earth is a spaceship, why is educating human beings important?
  • Why, if the Earth is a spaceship, is it important to manage access to food properly?
  • Why is the health of the human population crucial for the Earth, our spaceship?
  • If the Earth is a spaceship, why is it important to explore and exploit space resources?
  • The Earth, our spaceship: a long-term perspective.
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Catégorie : Space Issue

Is there a future for humanity on exoplanets?
Space Issue

Is there a future for humanity on exoplanets?

admin mars 13, 2026

By Philippe Reclus summary The question of whether humanity has a future on exoplanets is at the forefront of astrobiological and space exploration discussions, driven by the discovery of thousands of confirmed exoplanets and advancements…

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Since the spaceship Earth is a closed system, how can we protect it in the very long term from the effects of cosmic rays?
Earth, our spaceship heliosphere Space Issue

Since the spaceship Earth is a closed system, how can we protect it in the very long term from the effects of cosmic rays?

admin février 9, 2026

By Philippe Reclus summary Cosmic rays are high-energy particles that originate from outer space, predominantly composed of protons and electrons, which continuously bombard the Earth’s atmosphere. First identified in 1912 by physicist Victor Hess, cosmic…

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What’s this story about planet Y in the solar system?
heliosphere Space Issue

What’s this story about planet Y in the solar system?

admin février 5, 2026

Philippe Reclus The story of "Planet Y" refers to a very recent scientific hypothesis that gained major traction in late 2025. In short: astronomers from Princeton University found evidence of a hidden, Mars-to-Earth-sized planet floating…

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Over several thousand years, how will the colonization of space by human beings unfold?
Earth, our spaceship heliosphere Space Issue

Over several thousand years, how will the colonization of space by human beings unfold?

admin janvier 26, 2026

By Philippe Reclus summary The colonization of space represents a monumental frontier for humanity, encapsulating a blend of scientific innovation, technological advancement, and sociopolitical dynamics. Over the coming millennia, this ambitious endeavor is anticipated to…

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What new technologies need to be developed to accelerate the exploration of space resources?
Earth, our spaceship heliosphere Space Issue

What new technologies need to be developed to accelerate the exploration of space resources?

admin janvier 20, 2026

Philippe Reclus summary The exploration of space resources is increasingly recognized as a critical endeavor for the future of humanity, as it promises to address resource scarcity on Earth and support long-term space missions. This…

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We will soon be colonizing the Moon; in the event of an epidemic on the Moon, what measures should be taken to treat the colonists without contaminating Earth?
heliosphere Space Issue

We will soon be colonizing the Moon; in the event of an epidemic on the Moon, what measures should be taken to treat the colonists without contaminating Earth?

admin janvier 16, 2026

By Philippe Reclus summary The prospect of human colonization of the Moon introduces significant challenges regarding potential epidemic risks and the prevention of contamination of Earth. As space agencies and private entities plan for sustained…

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How does the fish swim bladder maintain neutral buoyancy in microgravity on the ISS?
Alimentation/Food Space Issue

How does the fish swim bladder maintain neutral buoyancy in microgravity on the ISS?

admin janvier 8, 2026

By Philippe Reclus summary The fish swim bladder is an essential organ that plays a critical role in maintaining neutral buoyancy, enabling fish to control their position within the water column with minimal energy expenditure.…

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How can we build and operate self-replicating probes to explore our distant solar system?
heliosphere Space Issue

How can we build and operate self-replicating probes to explore our distant solar system?

admin janvier 1, 2026

By Philippe Reclus summary Self-replicating probes, commonly known as Von Neumann probes, represent a groundbreaking concept in aerospace engineering and robotics, envisioning autonomous machines capable of constructing copies of themselves using local resources. Rooted in…

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A story of impact between Earth and Theia
heliosphere Space Issue

A story of impact between Earth and Theia

admin décembre 12, 2025

By Philippe Reclus summary Theia is a hypothesized planetary embryo that is believed to have collided with the early Earth around 4.5 billion years ago, playing a critical role in the formation of both the…

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Given the current state of research, how can we find planet 9?
heliosphere Space Issue

Given the current state of research, how can we find planet 9?

admin décembre 7, 2025

By Philippe Reclus summary The search for Planet Nine, a hypothesized large celestial body residing in the outer Solar System, represents one of the most intriguing and challenging endeavors in contemporary astronomy. The existence of…

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Recent Posts

  • How can we raise awareness among human beings about the long-term destructive futility of wars on the planet?
  • Is there a future for humanity on exoplanets?
  • Why does protecting biodiversity protect our environment?
  • Why does developing a circular economy help reduce waste?
  • How can we become aware of our personal impact, in terms of pollution of the planet?

Recent Comments

  1. Igor1873 sur My little personal point on dwarf planets that I share
  2. Layla1559 sur On the spaceship Earth, what circular economy actions should be implemented to protect an already fragile ecological balance?
  3. Claudia4582 sur How could the planet Venus, in the millennia to come, help humanity in its survival?
  4. Jade1226 sur The Earth spacecraft is a closed system, what is the role of the Earth’s magnetic field?
  5. Chuck2 sur Guest of the Month for APRIL 2025:Vincent Capdepuy

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