Astronomy Unit 2.1 - Lifecycle of Stars

Front

What is a stellar nebula mostly made of?

Back

Hydrogen.

Front

What occurs during the white dwarf stage of a star's lifecycle?

Back

The star is cooling off/nothing.

Front

What is the phase located at number 3 in the life cycle of a low mass star?

Back

Red Giant.

Front

What are the distinguishing properties of a neutron star?

Back

Spinning rapidly, strong magnetic field, density beyond belief.

Front

What is an enormous explosion that occurs when a massive star dies?

Back

Supernova.

Front

What is the main sequence phase in a star's lifecycle?

Back

The stage where a star fuses hydrogen into helium in its core.

Front

What is a protostar?

Back

A dense region within a nebula that is collapsing under gravity to form a new star.

Front

What happens during the red giant phase?

Back

The star expands and cools after exhausting hydrogen in its core.

Front

What is a black hole?

Back

A region of space where gravity is so strong that nothing, not even light, can escape.

Front

What is nuclear fusion?

Back

The process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy.