Stars, Galaxy, Universe

Front

What is an irregular galaxy?

Back

A type of galaxy that has large amounts of gas and dust and many younger stars.

Front

What is the life-span of the sun?

Back

Approximately 10 billion years.

Tags

NGSS.HS-ESS1-1

Front

What is the Hertzsprung Russell Diagram?

Back

A diagram that categorizes stars based on their brightness and temperature.

Front

What does the Big Bang Theory explain?

Back

It is the theory that the universe began at one point and is expanding.

Tags

NGSS.HS-ESS1-2

Front

Which galaxy do we live in?

Back

The Milky Way.

Tags

NGSS.MS-ESS1-2

Front

What are the main types of galaxies?

Back

Irregular, spiral, and elliptical.

Front

What is a spiral galaxy?

Back

A type of galaxy characterized by its spiral shape, with arms that wind outward from the center.

Front

What is an elliptical galaxy?

Back

A type of galaxy that is shaped like an ellipse and contains older stars with little gas and dust.

Tags

NGSS.MS-ESS1-2

Front

What is a supernova?

Back

A powerful explosion that occurs when a star reaches the end of its life cycle.

Tags

NGSS.HS-ESS1-3

Front

What is a star?

Back

A massive, luminous sphere of plasma held together by gravity, undergoing nuclear fusion.

Tags

NGSS.HS-ESS1-3