Multiple Choice
How did star formation likely proceed in the protogalactic cloud that formed the Milky Way?
A) The stars that formed first could orbit the center of the galaxy in any direction at any inclination.
B) The stars that formed first eventually settled into a galactic disk, circling the center of the galaxy.
C) The protogalactic cloud gradually formed stars, starting from the center of the galaxy working outwards.
D) The protogalactic cloud gradually formed stars, starting from the outer edges of the spiral arms and working inward.
Correct Answer:
Verified
Correct Answer:
Verified
Q19: Which of the following molecules is the
Q21: Red and orange stars are found evenly
Q28: What affects the average orbital speed of
Q30: Modified Newtonian Dynamics? The case for dark
Q43: Observational Bias: The history of human understanding
Q47: Where do most dust grains form?<br>A)in supernovae<br>B)in
Q58: We can see most of the Milky
Q59: Most of the mass of the galaxy
Q61: All heavy elements are made during supernova
Q72: Briefly describe how we can use the