Definition of solar constant in English:
The rate at which energy reaches the earth’s surface from the sun, usually taken to be 1,388 watts per square metre.
- The heat shield will reach temperatures of up to 1800°C as it is exposed to energies 1000 times more intense than the solar constant.
- But the solar constant - the amount of sunlight received each second - is carefully monitored by spacecraft, and we know the sun's output is much too steady to be changing the temperature of Pluto.
- The solar constant is 1.37 kW m - 2, but the 24-hour average at the top of the atmosphere is of course much lower, and varies widely by geographic latitude and time of year.
Definition of solar constant in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Australia
Most popular in India
Most popular in Pakistan