Unit 2 Review - The Universe

Front

What is the Milky Way galaxy?

Back

The Milky Way galaxy is a barred spiral galaxy that contains our solar system, along with billions of other stars and their planets.

Front

Where is the Sun located in the Milky Way galaxy?

Back

The Sun is located in the Orion Arm of the Milky Way galaxy.

Front

What is a white dwarf?

Back

A white dwarf is a small, dense star that is the remnant of a star that has exhausted its nuclear fuel and shed its outer layers.

Front

How do white dwarfs compare to giants?

Back

White dwarfs are warmer and dimmer than giant stars.

Front

What does the Big Bang Theory explain?

Back

The Big Bang Theory explains how our universe began, suggesting it started from a singularity and expanded.

Front

What type of galaxy has no defined pattern or shape?

Back

An irregular galaxy has no defined pattern or shape.

Front

What category does our Sun belong to?

Back

Our Sun is classified as a Main Sequence star.

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 an elliptical galaxy?

Back

An elliptical galaxy is a type of galaxy that has an ellipsoidal shape and lacks the distinct arms of spiral galaxies.

Front

What is a supergiant star?

Back

A supergiant star is an extremely large star that is much brighter than a giant star, often at the end of its life cycle.