Answer:
They are made of gases.
They contain iron in their cores.
They make energy through fusion.
Explanation:
It allows them to study and analyze the species.
A, the others are unrealistic speeds.
The correct answer to this is:
“Astrocytes”
Astrocytes also called star cells due to their shape are the
most abundant glial cells in the brain. Extensions from these cells encase
capillaries and offer extra control over which materials enter or leave the
intercellular fluid of the CNS thus acting like a permeability membrane.
The polar nuclei of the center cell