Universe

Front

What quadrant has the hottest, dimmest stars?

Back

Quadrant 3

Front

Which star is the coldest?

Back

Red Star

Front

What is a stellar nebula made up of?

Back

Clouds of gas and dust

Front

Which star has the lowest temperature?

Back

Star C

Front

Where are red giants located?

Back

Area X

Front

What is a star?

Back

A massive, luminous sphere of plasma held together by gravity.

Front

What is the life cycle of a star?

Back

The process a star undergoes from formation to death, including stages like main sequence, red giant, and supernova.

Front

What is a black hole?

Back

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

Front

What is the difference between a red giant and a white dwarf?

Back

A red giant is a late-stage star that has expanded and cooled, while a white dwarf is the remnant core of a star that has shed its outer layers.

Front

What is the Hertzsprung-Russell diagram?

Back

A scatter plot of stars showing the relationship between their absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.