Multiple Choice
What kind of objects are thought to be identified with flickering X-ray sources?
A) Binary star systems containing black holes
B) Supernova remnants like the Crab Nebula
C) Pre-main sequence stars
D) Main sequence stars on which flares occur
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q4: A type Ia supernova is caused by<br>A)The
Q5: The explosive burning of hydrogen on the
Q6: Gas shed by the companion of a
Q7: A pulsar will be produced if a
Q8: Which type of binary star is revealed
Q10: A star that is discovered to be
Q11: Our determination of stellar masses comes from<br>A)Observations
Q12: If the mass-losing star in a close
Q13: IN THE TEXT<br>-L1 refers to<br>A)The spectral type
Q14: What property of a star can almost