Unit 9 Lesson 3: Modeling in Space Science

Front

What are globular clusters?

Back

Globular clusters are large groups of stars that are tightly bound by gravity, often found in the halo of galaxies.

Front

Who were the Herschels?

Back

The Herschels were astronomers, including William Herschel, known for their contributions to the study of the Milky Way and the discovery of Uranus.

Front

What is a galaxy?

Back

A galaxy is a large collection of stars, gas, and dust held together by gravity.

Front

What did William Herschel incorrectly state about the Milky Way?

Back

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

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system, characterized by its spiral shape.

Front

What are the main types of models used in space science?

Back

The main types of models used in space science include physical models, visual models, and computer models.

Front

What is a scientific model?

Back

A scientific model is a representation of an object, system, or concept that helps to explain and predict phenomena.

Front

What is the difference between a physical model and a visual model?

Back

A physical model is a tangible representation (like a globe), while a visual model is a graphical representation (like a diagram or chart).

Front

What is the role of gravity in galaxies?

Back

Gravity is the force that holds galaxies together, keeping stars, gas, and dust bound within the galaxy.

Front

What is the universe?

Back

The universe is the vast expanse that contains all of space, time, matter, and energy, including all galaxies.