The extended sheet of galaxies that spans 70 Mpc 200 Mpc and includes about 24,000 galaxies is called the ________.
Fill in the blank(s) with correct word
Question 2
The shepherd moons keep the ring particles in their rings by:
A) repelling the ring particles, causing them to slow down.
B) repelling the ring particles, causing them to speed up or slow down.
C) attracting the ring particles, causing them speed up.
D) attracting the ring particles, causing them to speed up or slow down.
E) both attracting and repelling the ring particles, causing them to speed up or slow down.