The approximate main-sequence lifetime of a star of spectral type O is ________.
A) 3 million years
B) 10,000 years
C) 300 million years
D) 10 billion years
Correct Answer:
Verified
Q5: The sketch above shows groups of stars
Q72: The sketch above shows groups of stars
Q79: The sketch above shows groups of stars
Q82: The sketch above shows groups of stars
Q119: What do we mean by the main-sequence
Q120: Star A is identical to Star B,
Q123: How did astronomers discover the relationship between
Q124: The choices below each describe the appearance
Q131: You observe a star and you want
Q141: The choices below each describe the appearance
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