HR Diagrams

Front

What is a Nebula?

Back

A large cloud of gas and dust in interstellar space; the predecessor to stars.

Front

What color are the hottest stars?

Back

Blue.

Front

What are HR Diagrams?

Back

A way to classify stars based on their brightness and temperature.

Front

Which star stage is generally the coolest?

Back

Supergiant.

Front

What determines the color of a star?

Back

It's temperature.

Front

What is the Main Sequence in an HR Diagram?

Back

A continuous band of stars that represents the main phase of stellar evolution.

Front

What is a Supergiant star?

Back

A very large star that is much brighter than a normal star and has a short lifespan.

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 the relationship between a star's temperature and its color?

Back

Hotter stars emit blue light, while cooler stars emit red light.

Front

What is a Red Giant?

Back

A large, luminous star that has expanded and cooled after exhausting the hydrogen in its core.