Unit 9 Lesson 3: Modeling in Space Science

Front

What is a model in space science?

Back

A model in space science is a representation of an object, system, or concept that helps scientists understand and predict how things work in the universe.

Front

What are the four types of models discussed in space science?

Back

The four types of models are: 1. Physical models, 2. Visual models, 3. Computer models, 4. Scientific models.

Front

What type of galaxy is the Milky Way?

Back

The Milky Way is a spiral galaxy.

Front

What is the universe?

Back

The universe includes all of space and all of the energy and matter within it.

Front

Who stated that the sun was at the center of the Milky Way galaxy?

Back

William Herschel stated that the sun was at the center of the Milky Way galaxy.

Front

Was William Herschel correct about the sun's position in the Milky Way?

Back

No, he was not correct.

Front

What is parallax in astronomy?

Back

Parallax is the apparent shift in position of an object when viewed from different angles, used to measure distances to nearby stars.

Front

Can parallax be used to measure the distance of dim stars in Andromeda?

Back

No, parallax cannot be used to measure the distance of dim stars in Andromeda.

Front

What is a spiral galaxy?

Back

A spiral galaxy is a type of galaxy characterized by its spiral arms that wind outward from the center.

Front

What is a barred galaxy?

Back

A barred galaxy is a type of spiral galaxy that has a central bar-shaped structure made of stars.