Recent Observations Seem to Indicate That, Rather Than Being a Spiral

Multiple Choice

Recent observations seem to indicate that, rather than being a spiral galaxy, the Milky Way may be

A) a barred spiral with a definite, straight bar across its center.
B) an irregular galaxy in which matter is distributed chaotically.
C) an elliptical galaxy with little structure.
D) two elliptical galaxies colliding with one another, in view of the very active star formation within the galactic plane, brought about by the vastly increased density during the collision.