What is the approximate chemical composition (by mass) with which all stars are born?
A) 98% hydrogen, 2% helium
B) 95% hydrogen, 4% helium, no more than 1% heavier elements
C) Half hydrogen and half helium
D) Three quarters hydrogen, one quarter helium, no more than 2% heavier elements
Correct Answer:
Verified
Q6: On a Hertzsprung- Russell diagram, where would
Q7: The choices below each describe the appearance
Q8: If Star A is closer to us
Q9: The sketch above shows groups of stars
Q10: On a Hertzsprung- Russell diagram, where would
Q12: The sketch above shows groups of stars
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents