Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Venus info wanted

  1. Oct 16, 2015 #1
    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.
  2. jcsd
  3. Oct 16, 2015 #2


    User Avatar
    Gold Member

    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.
  4. Oct 16, 2015 #3
    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
  5. Oct 16, 2015 #4


    User Avatar
    Gold Member

    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.

    Can you run that past me slower?

    And this too. Spell it out for me?
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Threads - Venus info wanted Date
I Where to find in-depth info about each star's composition? Apr 29, 2017
B The clouds of Venus Mar 15, 2017
B Did I see Venus? Feb 20, 2017
Stargazing Venus in broad daylight Feb 16, 2017
B Venus -- a more attractive target than Mars for human colonization? Jan 7, 2017