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physics

astronomy flash cards

QuestionAnswer
what is the order of planets in our solar system? mercury, Venus, earth, mars, Jupiter, Saturn, Uranus, Neptune
where does the asteroid belt sit in our solar system? between mars and Jupiter
What stage of the life cycle is our sun on right now? Main sequence star
Explain, in terms of forces and fusion, why the sun will become a red giant? Hydrogen runs out, helium fusion begins, radiation/gas pressure increase’s, unbalanced forces mean that the sun will expand outwards
What are the two forces that act upon our sun? Gravity and gas/radiation pressure
Created by: willum
 

 



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