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12 Cards in this Set

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  • Back
Where is the energy given off by the sun produced?
Core
What problems do we have on Earth when there are many sunspots?
The sunspots cause problem with radio and other communications that are carried on by satellite.
With what feature of the sun are prominences and solar flares associated?
Sunspots
Analyzing the spectra of a star will tell you what about the star?
the gases found in it
What do you call the harmful radiation rays from the sun that can cause skin cancer?
Ultraviolet
The dark,cool areas on the sun's photosphere are called....
Sunspots
What is another name for a star's luminosisty?
Brightness
When looking at the sun we are actually looking at the .....
Photosphere
What is the name of the graph that is used to explain stellar evolution?
H-R diagram
What color are the hottest stars?
Blue-white
During a major part of a star's life cycle, its fuel is ....
Hydrogen
A cloud of dust or gases where stars are born is called a .....
Supernova