7.3 - Types of Galaxies

Front

What is the correct order from smallest to largest? Options: Solar system, Milky Way, universe, local group, Virgo cluster

Back

Solar system, Milky Way, local group, Virgo cluster, universe

Front

Which type of galaxy is the Milky Way?

Back

Spiral

Front

What role does gravity play in the universe?

Back

It shapes galaxies

Front

What is a characteristic of spiral galaxies?

Back

They have a flat, disk shape with spiral arms

Front

What evidence supports theories of galaxy formation?

Back

Observations of cosmic microwave background radiation

Front

Which type of galaxy lacks a well-defined shape?

Back

Irregular

Front

What is the primary factor in galaxy formation?

Back

Gravity

Front

Which galaxy type is the oldest?

Back

Elliptical

Front

What is the largest structure in the universe?

Back

The universe

Front

What is not a characteristic of elliptical galaxies?

Back

Spiral arms