Astronomy Final Winter 2025

Front

What is the main element used to fuel a star during the majority of its life?

Back

Hydrogen

Front

Identify this planet: It is the third planet from the Sun and supports life.

Back

Earth

Front

What is the force that causes a black hole to pull in matter, light, and everything that comes close?

Back

Gravity

Front

What does a star become right after the nebula collapses and protons begin to collide?

Back

Protostar

Front

What astronomical event occurs after a super red giant?

Back

Supernova

Front

What is a nebula?

Back

A nebula is a giant cloud of dust and gas in space, often the birthplace of stars.

Front

What is a black hole?

Back

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

Front

What is a supernova?

Back

A supernova is a powerful and luminous explosion that occurs at the end of a star's life cycle.

Front

What is a protostar?

Back

A protostar is an early stage in the formation of a star, formed from the gravitational collapse of a nebula.

Front

What is the main sequence phase of a star?

Back

The main sequence is the stable phase in a star's life where it fuses hydrogen into helium in its core.