DonFerrari said:
So the greenhouse will "hold the cold inside"? |
That is not how greenhouse gases work. Like at all.
Greenhouse gases reflect EM radiation of longer wavelengths, such as infrared, which are the wavelengths that the earth gives off the most off (because the earth's temperature of about 290 Kelvin is pretty low), while the sun primarily radiates in much shorter wavelengths due to it's higher temperature of about 5500 Kelvin, and those shorter wavelenghts are much less affected by greenhouse gases. Hence why greenhouse gases lead to an overall increase in temperature. Without them, the average temperature on earth would be about -18 degrees celsius.
Last edited by Teeqoz - on 15 January 2018







