Any "order" would be arbitrary. The main types are spiral galaxies, elliptical galaxies, and irregular galaxies. Several variations exist, too.
galaxie 1, 2, 3, 4 and 5
There Are 3
3
the 3 kinds of muscels are smooth,skeletal,heart muscels
3 different factors for 72
3*6 = 18 types of sandwiches
the different kinds of card catalogues are 1. Title card 2. Subject card 3. Author card
3-4 thousand.
Artificial, Captured and Accreted
5*3=15
No. It has only 3 big spiral galaxies, but dozens of dwarf galaxies.
three kinds of word problems there are: 1-compare 2-composite 3-change