Aristotle
elliptical
Johannes Kepler
Big Bang Theory galaxy
Pulsating Theory
Creationist Theory Galileo Galilei
Steady State Theory
Cosmic Theory
irregular
1. It is a group of stars and star clusters spinning and moving together in
space.
2. It is a galaxy with patchy and non-circular shape. It is smaller than a spiral
galaxy
3. It is a galaxy with smooth round or oval outline. The shape is probably due
to its slow spin.
4. It suggests that God created the whole universe in seven days which is
stated and supported in the bible.
5. It states that the universe started as a single explosion followed by a burst
of inflationary expansion,
6. This theory proposes that the universe passes through a regular cycle of
expansion and contraction.
7. This theory was postulated that the universe was created by an ancient
explosive force.
8. This theory states that the universe had no origin. It has always existed
and will have no end.
9. He believed that the earth was the center of the universe and everything in
the sky revolve around it in circular orbits.
10. He discovered the phases of Venus,​