Venus Info: Is It Hot & How to Cool It Down?

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    Venus
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Discussion Overview

The discussion revolves around the reasons for Venus's extreme heat and potential methods for cooling the planet. Participants explore the contributions of solar radiation versus internal heat and propose various theoretical approaches to mitigate the heat, including the use of dust clouds and shields.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • Some participants question whether Venus's heat is primarily due to solar radiation or internal heat, with one asserting that the atmosphere is responsible for trapping heat.
  • There is mention of the runaway greenhouse effect on Venus, with a comparison to Mercury's temperature despite its proximity to the sun.
  • One participant proposes that creating a dust cloud around Venus could lead to cooling, while another suggests a large shield held in place by jets might be more effective.
  • Concerns are raised about the feasibility of the materials required for cooling and the mechanisms proposed, such as using CO2 at high pressure and nuclear methods to address acidity.

Areas of Agreement / Disagreement

Participants express differing views on the primary cause of Venus's heat and the effectiveness of proposed cooling methods. There is no consensus on the best approach or the underlying reasons for the planet's temperature.

Contextual Notes

Some claims depend on specific assumptions about atmospheric conditions and the physical properties of materials proposed for cooling. The discussion includes unresolved technical details regarding the implementation of suggested methods.

marmstrong941
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Is venus hot because heat from the sun or is it from internal heat?
How much of the suns light would have to be blocked in order to get it to cool down?
No its not nuts some day we will mine rocks in space and a few flat rings around venus might do the trick.
 
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marmstrong941 said:
Is venus hot because heat from the sun or is it from internal heat?
The sun provides the energy, the atmosphere prevents it from escaping.
(Venus has no appreciable internal heat.)

Read up on Venus - runaway greenhouse effect.

Note that Mercury, despite being half the distance from the sun, and therefore subject to four times as much solar influx, is not any hotter on its sunward side than Venus (both about 800-850F). That's because it has no atmosphere to trap the heat.
 
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Ok so if a dust cloud was put around venus it would cool down. Than at 90 psi CO2 would act like water and cool it faster add a few nukes and the dust will remove the acid
 
marmstrong941 said:
Ok so if a dust cloud was put around venus it would cool down.
That's a lot of material. Might be better to make a huge wafer-thin shield that's held in-place with attitude jets. It's been considered to help cool Earth.

marmstrong941 said:
Than at 90 psi CO2 would act like water and cool it faster
Can you run that past me slower?

marmstrong941 said:
add a few nukes and the dust will remove the acid
And this too. Spell it out for me?
 

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