Multiple Choice
What is ripping apart the Sagittarius dwarf spheroidal galaxy?
A) a supermassive black hole at the center of the dwarf galaxy
B) pressure from its passage through the dark matter in the Milky Way
C) a violent episode of star formation
D) the gravitational tidal force of the Milky Way
E) supernovae explosions occurring in the dwarf galaxy
Correct Answer:
Verified
Correct Answer:
Verified
Q5: Spiral arms are generated by<br>A) bipolar jets
Q6: Which of the following is evidence that
Q7: Because of the ages of globular clusters
Q8: As technology is advancing, scientists find more
Q9: Outline the major differences between the thin
Q11: On average, we expect that _ stars
Q12: Suppose it was discovered that the galaxy
Q13: Studying standard candles in globular clusters offered
Q14: The oldest stars in the galaxy are
Q15: The Milky Way has both a thin