Elliptical Galaxies. i.e. M87.
In theory, all galaxies originate from the Big Bang, which is the name that describes the explosion that propelled all matter into the cosmos. All galaxies are moving. All galaxies produce energy like light and gravity. Think of galaxies like you would human beings. Although very different in some ways, they are mostly the same.
it is mostly made of space
sugar pills are placebos, or pills without an active ingredient mostly used for medical researh
Both - all galaxies contain young and old stars.
Elliptical Galaxies.
Actually, most galaxies are all moving away from all other galaxies, not just from ours. The exception is the Andromeda galaxy, with which the Milky Way is on a collision course.
climate.
these dogs are mostly active in the day time
Deer are mostly active at night.
Mostly at night.
Mostly in galaxies, where they can form Super Massive Black Holes.
Yes, red pandas are mostly active at night.