Author Question: Spiral galaxies are much more common in the centers of rich clusters than in the universe as a ... (Read 69 times)

RYAN BANYAN · **on:** Jul 27, 2018

Spiral galaxies are much more common in the centers of rich clusters than in the universe as a whole.

Indicate whether the statement is true or false

Question 2

The presence of a magnetic field is a good indication that:

A) the Earth's interior is similar to Mercury's, as both have fields.
B) a huge iron meteorite lies somewhere high up in the mantle, not in the core.
C) we have a liquid metal outer core, spinning rapidly as we rotate.
D) the Earth's interior must be completely molten to the center.
E) the Earth's interior has had time to solidify, with a rigid bar magnet created.