Second Earth Venus Terraforming

Second Earth Venus Terraforming

Watching this excellent video first.

Venus terraforming video by Whatif is a great presentation Blue Energy Science Technology agrees.

Planets outside the Solar system

Even if we manage to find out a planet is within all the planetary habitability conditions that might support lives, it will be too far of a distance that we hardly can ask any human being to travel to such a planet as a gamble of his future life. Unless we have major breakthrough technology in interstellar journey, which makes such journey as short as an intercontinental travel on Earth today's.

The Mars

When searching exterrestrial habita in the Solar system, our choices seem to be more likely on Mars, the red planet. But Mars is a small planet. Following conditions would rule out Mars as an ideal planet for human beings to establish mass habitat of colonies.
1. Mars atmosphere is too thin to protect colony residents from direct impact of mini asteroid, which would otherwise burn out in Earth atmosphere. Such thin air around the Mars would not protect lives from the threat of high energy particles and high-energy galactic cosmic rays (GCRs). There is no strong magnetic field on Mars similar to the Earth's magnetic field.
2. Mars is too far from the Sun, which means the solar energy is too weak to support planetary scale of warming. We could create heat shelter to insulate colonies from heat lost as well as solar and cosmic radiation.
3. Gravity of Mars is only 38% of Earth, it has long term damage to human's body if residents live too long on it without artificial gravity compensation. Any potential lives grown in such gravity environment will be different species from planet Earth.

Venus

How about Venus? It has a very hot atmosphere, which is impossible to be transformed into habitable planet by today's technology. But in my opinion, if we cast our human history of a million years of natural evolution, we have to say thank you to the tribe that took their migration out of African jungle. What our ancestors did had impact to future generations that have been creating civilization. Most significantly, our modern civilization started 250 years ago when engines were developed. We begun to use energy to do many things our ancestors weren't be able to do.

Geo-engineering of environment so far is quite limited by human society. But such effect is nonetheless happening, especially by what we have been doing has long-term impact on our ecosystem. Planet Venus could be the potential second home for humanity if we have a plan for hundreds to milennium of years, which are a blink of eyes for our universe. If we know how to transform Venus in the Solar system into the second Earth, we will be able to do the same in other star systems in the future.

Ideas that have been proposed. Can we cool down Venus atmosphere with outer space light weight shelter fully or partially surrounding the planet? There have been some speculative publications on such potential. On the Venus atmosphere, about 50 km of altitude, the temperature and pressure is just like planet Earth at sea level, which makes it the perfect environment for buoyant floating colonies. These colonies can be used as factories of photosynthesis, or hotels for space tourists. In the floating cities, we can create factories which use algae in special built photosynthesis tanks to absorb CO2. Algae can produce oxygen that can be used by human beings living in the floating colonies. We can then fabricate carbon fiber net using dry algae material to make light weight solar shelter material. It would take time to cover Venus outer space with such huge net to block Solar light. If we manage to make it, it will cool down Venus eventually.

With buoyancy engine, geostationary colonies above Venus atmosphere don't have to be on Lagrangian point one (L1). It can be anywhere above any star or planet. Our article on BEBE will discuss how powerful and important buoyancy engine could be in terraforming of a hostile planet into earth like home.

In order to have continuously algae based photosynthesis process on the upper Venus atmosphere, water is essential. Water can be found through comets by towing these comets from asteroid bell. So the algae photosynthesis in upper Venus will create carbon fiber net for shelter while O2 will be stored until Venus air temperature drop. In order to fast track the cooling, we can also consider removing gas from Venus into space using solar energy. Due to this is simple gravitational process, we can expect energy neutral. Dry ice can be contained by large
cargo spaceship and accelerated to escaping velocity. When such speed is reached, the cargo can open its door to eject dry ice into vacuum space.

Our next blog will concentrate on the effect of buoyancy engine on Venus terraforming.

Addional methods from BEST

To add BEST views on the video and other not being mentioned.

  1. Airborne platforms floating on Venus atmosphere: These airborne platforms are buoyant by BEBE. Also large engines and solar energy harvest units will convert solar energy into electricity.
  2. Electricity can power BETE to create constant low temperature reservoir which can cool down CO2 from Venus atmosphere into dry ice. Dry ice can then taken away in container and released into space.
  3. Alternatively electricity will split water into oxygen and hydrogen.
  4. Throught the Sabatier reaction, methane is the main product. H2 + CO2 -> CH4 and H2)
  5. CH4 -> C + H2 reaction. A few room temperature reaction study are done by the scientists. However they are not very scalable for quantity such as the Venus atmosphere.
  6. Algae bioreator might be possible to absorbs CO2 and sequestrate carbon. Carbon is dry form of algae can then be used for solar energy blockage material.
  7. Carbon in solid form can be accumulated into satellite rotating around the Venus
  8. Small umberllas in between the Sun and the Venus can block solar energy. These umberllas are support by BETE and BEBE to maintain its stationary, which blocks the solar radiation on the Venus surface. Each umberllas will be 10 to 20 km in diameter.
  9. Rotating of Venus can be done when Venus surface temperature drops to below 100 degrees celsuis.
Fogg, Martin J. , Terraforming: Engineering Planetary Environments, SAE Press, 1995. ISBN 1560916095, ISBN 978-1560916093 * Jump up ^ Landis, Geoffrey A., "Terraforming Venus: A Challenging Project for Future Colonization," paper AIAA-2011-7215, AIAA Space 2011 Conference & Exposition, Long Beach CA, Sept. 26-29, 2011. *http://www.orionsarm.com/fm_store/TerraformingVenusQuickly.pdf ^Wikipedia: Discoveries of extrasolar planets

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