The Core & Radiative Zone
How much of the sun's diameter is the core?
25%
What zone surrounds the core?
Radiative Zone
What does photospere mean?
It means sphere of light.
What is the color given off by the chromosphere?
It gives off a reddish light.
What is the temperature of the gas in the corona?
1,000,000 C
What is the temperature of the sun's core?
15,000,000 C
What is convection?
The transfer of energy by moving matter.
What is most of the energy given off from the photosphere?
What is the chromosphere's temperature?
4,000 C to 50,000 C
Why is the corona not usually seen?
The sky is too bright during the day.
What happens to nuclei in the core of the sun?
They fuse together.
What happens to hot gases as they move outward through the convective zone?
They lose energy.
What is the photosphere made of?
What happens to gas in the chromosphere?
Gas forms narrow jets of hot gas that shoot outward.
What do particles that stream out into space from the corona do?
They make up the solar wind.
What is the temperature in the radiative zone?
2,000,000 C to 7,000,000 C
What happens to cooling gases?
True or False: The layer of the sun seen from Earth is the photosphere?
True
What happens to energy in the radiative zone?
It moves outward as electromagnetic waves, or radiation.