Galaxies and Space Objects

Front

What is a galaxy?

Back

A group of stars, gas, dust, and planets held together by gravity.

Front

What is the Milky Way?

Back

OUR GALAXY!

It is spiral-shaped and contains our solar system.

Front

What are the three main shapes of galaxies?

Back

Spiral, elliptical, and irregular.

Front

What is the shape of our galaxy?

Back

SPIRAL.

It has arms that spin around a bright center.

Front

What is an elliptical galaxy?

Back

A round or oval galaxy.

Front

What is the shape of an irregular galaxy?

Back

It does not have a specific shape.

It looks messy or broken.

Front

What is the closest big galaxy to the Milky Way?

Back

Andromeda.

Front

What is a black hole?

Back

A place in space with very strong gravity where stars and gas move quickly around.

Front

What is the name of the black hole at the center of the Milky Way?

Back

Sagittarius A*.

Front

What is the Earth's axis?

Back

An invisible line that goes through the North Pole and South Pole, tilted and not straight.