What causes the outward gas pressure that balances the inward pull of gravity in a main sequence star?
A) The rapid outward flow of gas.
B) The rapid inward flow of the gas.
C) The high temperature of the gas.
D) The high density of the gas.
E) c and d
Correct Answer:
Verified
Q1: _ are small luminous nebulae excited by
Q2: Protostars are difficult to observe because
A) the
Q4: Which of the following is NOT evidence
Q8: Opacity is
A)the balance between the pressure and
Q9: In the proton-proton chain
A) no neutrinos are
Q10: The lower edge of the Main Sequence
Q14: The average star spends _ of its
Q16: The carbon-nitrogen-oxygen cycle
A) operates at a slightly
Q18: Emission nebulae are also called _ because
Q27: Convection is important in stars because it
A)
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