Front

What is the name of our galaxy?

Back

The Milky Way

Front

What are galaxies primarily composed of?

Back

Stars, dust, and gas held together by gravity.

Front

What theory explains how our universe began?

Back

The Big Bang Theory.

Front

What type of galaxy is characterized by a lack of a defined shape?

Back

Irregular galaxy.

Front

What is a nebula?

Back

A large cloud of gas and dust in interstellar space where stars are born.

Front

What is the difference between a spiral galaxy and an elliptical galaxy?

Back

Spiral galaxies have arms that spiral outward, while elliptical galaxies are more rounded and lack distinct features.

Front

What is the role of gravity in galaxies?

Back

Gravity holds stars, dust, and gas together within a galaxy.

Front

What is a protostar?

Back

A protostar is a young star that is still in the process of forming.

Front

What is the significance of the Hubble Space Telescope?

Back

The Hubble Space Telescope has provided deep space images that have expanded our understanding of the universe.

Front

What are the three main types of galaxies?

Back

Spiral, elliptical, and irregular.