Ten percent of these have exactly the right surface temperature as the sun.
"About half of what the surface temperature had been when it was a G2 sun."
First, we know the surface temperature of the earth is warming.
We know the surface temperature of the Earth is warming.
The average global surface temperature is now a little less than 60 degrees.
Four billion years from now, the increase in the Earth's surface temperature will cause a bad greenhouse effect.
If so the surface temperature would be about 900 K.
In the early morning, when the surface temperature is lower, they retire.
Check the surface temperature of play equipment if it is warm outside.
It has a surface temperature between 9000 and 17000 K.
