Question

whats thought to be responsible for causing venuss retrograde rotation?
a) gravitational pull from earth and mercury
b) venuss high surface temperature
c) the composition of venuss atmosphere
d) tidal forces from the sun on venuss atmosphere
question 17 (5 points)
whats the name of the black hole region that creates the gravitational force holding the milky way together?
a) fornax a*
b) messier 32
c) sagittarius a

Explanation:

• For the first question: Venus's retrograde rotation is thought to be caused by tidal forces from the Sun acting on its thick atmosphere. Earth and Mercury's gravitational pull (A) is not the main cause. High surface temperature (B) and atmospheric composition (C) don't directly cause retrograde rotation.
• For the second question: Sagittarius A is the super - massive black hole at the center of the Milky Way that holds it together via gravitational force. Fornax A (A) is in the Fornax galaxy, and Messier 32 (B) is a satellite galaxy of Andromeda.

Answer:

• First question: D. Tidal forces from the sun on Venus's atmosphere
• Second question: C. Sagittarius A*