Unit 5 Notebook Flashcard Self

Front

What is an Elliptical Galaxy?

Back

A type of galaxy characterized by its smooth, featureless light profile and an elongated shape, often containing older stars and little new star formation.

Front

What is the next stage after Main Sequence for a small/medium-sized star like our Sun?

Back

Red Giant: A stage in a star's life cycle where it expands and cools after exhausting the hydrogen in its core.

Front

What is a Nebula?

Back

A cloud of dust and gas in space where new stars are formed.

Front

What is the Big Bang Theory?

Back

The prevailing cosmological model explaining the origin of the universe, suggesting it began from a singularity and has been expanding ever since.

Front

Where are we located in the Milky Way Galaxy?

Back

On a spiral arm, specifically the Orion Arm.

Front

What is a Spiral Galaxy?

Back

A type of galaxy characterized by its spiral structure, with arms that extend outward from the center, containing young stars and gas.

Front

What is a Black Hole?

Back

A region in space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Front

What is a White Dwarf?

Back

A small, dense star that is the remnant of a low or medium mass star after it has exhausted its nuclear fuel.

Front

What is a Red Supergiant?

Back

A very large star that is in the late stages of stellar evolution, characterized by its red color and massive size.

Front

What is the life cycle of a star?

Back

The series of stages a star goes through from its formation in a nebula to its eventual death as a white dwarf, neutron star, or black hole.