Stars

Front

What are stars?

Back

Burning balls of gas that produce light and heat through nuclear fusion.

Front

What color of star is the coolest?

Back

Red.

Front

Which star is closest to Earth?

Back

The Sun.

Front

Why do other stars appear so much smaller than the Sun?

Back

They are so far away.

Front

If two stars have the same brightness but one is farther away, which one is brighter?

Back

The one that is closer must be brighter.

Front

What is the main process that allows stars to shine?

Back

Nuclear fusion.

Front

What is the life cycle of a star?

Back

Stars form from gas and dust, go through stages like main sequence, and end as white dwarfs, neutron stars, or black holes.

Front

What is a supernova?

Back

A massive explosion that occurs when a star exhausts its nuclear fuel.

Front

What is a galaxy?

Back

A large system of stars, gas, dust, and dark matter bound together by gravity.

Front

What is the difference between a planet and a star?

Back

A star produces its own light, while a planet reflects light from a star.