The densest stars known to exist are ___________.
A) neutron stars
B) white dwarfs
C) red dwarfs
D) black holes
Correct Answer:
Verified
Q15: Fluorescence is a characteristic of _.
A) blue
Q16: Which main- sequence stars are the least
Q17: When viewed through an optical telescope, planetary
Q18: Why did Hubble think the Cepheid variables
Q19: What two elements formed first?
A) protons and
Q21: Balance for a main sequence star is
Q22: The first stars formed about 300 million
Q23: Which of the following is not true
Q24: The point in stellar evolution when a
Q25: A blue star is_ our Sun.
A) colder
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