The zero-age main sequence describes the sequence of stars in the Hertzsprung-Russell diagram that:
A) contain no processed elements (elements heavier than hydrogen or helium) .
B) are just beginning to convert helium into carbon in their cores.
C) have just collapsed from the interstellar medium.
D) have just reached the main sequence.
Correct Answer:
Verified
Q167: Why is it that the majority of
Q171: At what stage of its evolutionary life
Q173: A main-sequence star is defined as a
Q174: If the universe is only 14 billion
Q175: How long ago was the Sun a
Q179: How long will the Sun have spent
Q179: All stars on the main sequence
A) generate
Q181: What is unusual about main-sequence stars about
Q182: When the Sun entered the main sequence,its
Q183: The star zeta Pegasi (in the constellation
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