In a uniformly expanding universe, which statement best describes the situation as viewed from an observer in Galaxy C (not the Milky Way Galaxy)?
A) Galaxy C observer sees some galaxies moving away, some moving towards itself.
B) Galaxy C observer sees all galaxies moving away from the Milky Way Galaxy.
C) Galaxy C observer sees all other galaxies moving away from itself.
C
You might also like to view...
A charge per unit length given by ?(x) = bx, where b = 12 nC/m2, is distributed along the x axis from x = +9.0 cm to x = +16 cm. If the electric potential at infinity is taken to be zero, what is the electric potential at the point P on the y axis at y = 12 cm?
A. 5.4 V B. 7.2 V C. 9.0 V D. 9.9 V E. 16 V
What are appropriate measures of risk? Judge how they might be used
What will be an ideal response?
Discuss how web designers create forms that follow UX principles.
What will be an ideal response?
Consider a scale on which our entire Milky Way Galaxy is about the size (diameter) of a grapefruit. Which of the following best describes the size and distance of the Andromeda Galaxy on the same scale?
A) a grapefruit about 3 meters away B) a grapefruit about 3 centimeters away C) a beach ball about the length of a football field away D) a peanut about 3 centimeters away E) a grapefruit about 3 kilometers away