Stars and Galaxies

Front

What are the two main components that make up star systems?

Back

Individual stars and star clusters.

Front

What type of galaxy has pinwheel arms around a bulge in the middle?

Back

Spiral galaxy.

Front

How old is our sun approximately?

Back

About 10 billion years old.

Tags

NGSS.HS-ESS1-1

Front

What is the shape of an elliptical galaxy?

Back

Rounded but may be elongated and slightly flattened.

Front

What characterizes a quasar?

Back

An active, young galaxy with a black hole at its center.

Front

What is a star cluster?

Back

A group of stars that are gravitationally bound to each other.

Front

What is the difference between spiral and elliptical galaxies?

Back

Spiral galaxies have arms and a bulge, while elliptical galaxies are more rounded and lack distinct features.

Front

What is the significance of a black hole in a galaxy?

Back

It can influence the motion of stars and gas in the galaxy and is often found at the center of active galaxies.

Front

What is the lifecycle of a star?

Back

Stars form from gas and dust, go through stages like main sequence, red giant, and end as white dwarfs, neutron stars, or black holes.

Tags

NGSS.HS-ESS1-1

Front

What is the Milky Way?

Back

The galaxy that contains our solar system.

Tags

NGSS.MS-ESS1-2