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Galaxies

100

a huge group of stars, gas, dust and more is called a what

Galaxy

200

Galaxies are held together by this force

Gravity

300

There are roughly how many galaxies in the universe? (thousands,millions,billions,trillions)

Billions

400

Where is our solar system in the milky way

on a spiral arm (Orian)

500

The milky way is part of what galaxy cluster

Local Group

Universes

100

This theory is one of the possibilities scientists have for the start of the universe

Big Bang

200

What percent of the universe is dark matter?

90%

300

Dark energy refers to these in the middle of a galaxy

Black Holes

400

The spiral shape of the milky way can't be seen from Earth because?

We are located on one of the arms

500

The largest galaxy in our cluster is called

Andromeda

Galaxy shapes

100

There are how many types of main galaxies?

3

200

this galaxy is shaped like a pin wheel or a hurricane with arms

spiral

300

this galaxy is shaped like a football or an egg

Elliptical

400

This galaxy doesn't have a regular shape

Irregular

500

The Milky way galaxy is this type of galaxy

Spiral