a huge group of stars, gas, dust and more is called a what
Galaxy
This theory is one of the possibilities scientists have for the start of the universe
Big Bang
There are how many types of main galaxies?
3
Galaxies are held together by this force
Gravity
What percent of the universe is dark matter?
90%
this galaxy is shaped like a pin wheel or a hurricane with arms
spiral
There are roughly how many galaxies in the universe? (thousands,millions,billions,trillions)
Billions
Black Holes
this galaxy is shaped like a football or an egg
Elliptical
Where is our solar system in the milky way
on a spiral arm (Orian)
The spiral shape of the milky way can't be seen from Earth because?
We are located on one of the arms
This galaxy doesn't have a regular shape
Irregular
Local Group
The largest galaxy in our cluster is called
Andromeda
The Milky way galaxy is this type of galaxy
Spiral