Stars
Stars with higher energy will be what color?
Blue
Dark, cooler spots on the sun are called....
Sunspots
Layer of the sun's atmosphere that emits light we see on Earth....
Photosphere
Lower
Layer of the sun where fluid is rising and cooling causing heat to be released...
Convection Zone
What is the name of the reaction occurring that powers stars?
Nuclear Fusion
Streams of charged particles that can impact Earth
Solar Wind
Outermost layer of the sun's atmosphere; much hotter than the surface.
Corona
Which three types of waves are damaging to humans?
Ultraviolet (UV), X-Rays, Gamma
Which two factors are displayed on an HR diagram?
Temperature and luminosity
What is the fuel source of stars burning?
Hydrogen being converted into helium through nuclear fusion
Solar Flares
Very dense because of intense gravitational force, where nuclear fusion is occurring.
The Core
Which color on the visible light spectrum has the LEAST energy?
Red
Stars that are more massive have a (higher or lower) luminosty.
Higher
Why do red giants have shorter time spans in main sequence stage than other stars?
Burning through hydrogen quicker, therefore will die sooner.
Solar activity is believed to be caused by...
Intense magnetic forces
Layer of the sun where electromagnetic waves are moving.
Radiation Zone
As wavelength decreases, frequency will....
Increase
Our sun is in the ______spectral class.