Multiple Choice
What is a "main sequence star"?
A) a star that falls in a band in a band on the H- R Diagram with most other stars
B) a star that is aligned with many other, similar colored stars
C) a star that shows the same trend in distance from earth and temperature as many other stars
D) a star that is in a group of stars with similar ages and sizes
E) a star that is statistically indistinguishable from 90% of all stars
Correct Answer:
Verified
Correct Answer:
Verified
Q12: There are three possible fates for the
Q13: The red shift refers to _.<br>A) the
Q14: Based on the observed red shifts in
Q15: Balance for a main sequence star is
Q16: Which of the following is <u><b>not</b></u> true
Q18: _is the study of the universe, including
Q19: Which color stars have the coolest surface
Q20: Examine the words and/or phrases below and
Q21: Apparent magnitude is_ .<br>A) how large stars
Q22: A red star is_ our Sun.<br>A) hotter