What can we learn about a star from a life track on an H-R diagram?
A) how long ago it was born
B) when it will die
C) where it is located
D) what surface temperature and luminosity it will have at each stage of its life
E) all of the above
Correct Answer:
Verified
Q2: What is the range of star masses
Q3: What type of star is our Sun?
A)low-mass
Q4: What is a planetary nebula?
A)a disk of
Q5: At approximately what temperature can helium fusion
Q6: What do astronomers mean when they say
Q7: How many helium nuclei fuse together when
Q8: What happens after a helium flash?
A)The core
Q9: The helium fusion process results in the
Q10: Compared to the star it evolved from,a
Q11: What is happening inside a star while
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