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Life Cycle of a Star

QuestionAnswer
Our Sun contains which two gases? hydrogen and helium
More massive stars live shorter lives because they use their fuel more quickly
The Sun produces more Energy through what process? nuclear fusion.
How are higher elements like Oxygen, Silicon, and Iron are made? fusion
Stars the same mass as our Sun will live a stable life on the main sequence for a long time, then become a... Red Giant
Nuclear fusion takes lighter elements (like hydrogen) and squeezes them together into heavier elements like helium
The solar system (Sun, Earth, and other planets that revolve around our Sun) is... 4.6 Billion years old
Stars 10 - 20 times more massive than our Sun will live a shorter life and will... explode as a supernova and end up as a neutron star.
A star is stable when... the force of gravity equals the force of energy.
When these forces become unbalanced, the star undergoes changes like... expanding into a red giant and/or exploding as a supernova.
What creates new stars called protostars? The force of gravity that pulls together a cloud of gas and dust
Stars spend most of their lives in which sequence? Main sequence
Graphing enables us to see patterns or trends, or make predictions.
As one variable increases, the other variable increase Direct
As one variable increases, the other remains the same Constant
As one variable increases, the other variable decreases Indirect or inverse
As one variable increases, the other variable increases and decreases over and over Cyclic
Betelgeuse is what color star? Orange-red
Procyon B is in which sequence? White dwarf
Our Sun has a surface temperature of: 5,000 (K)
What star is white-blue and has a surface temperature of 10^4 solar units? Bellatrix
Created by: user-1879788
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