Stars

Front

What determines a star's brightness?

Back

A star's brightness depends on its size and how hot it is.

Front

What type of star is our sun?

Back

Our sun is a medium-sized star.

Front

Which type of star is the hottest?

Back

The hottest type of star is a blue star.

Front

Why do giant stars appear small from Earth?

Back

Giant stars look small from Earth because they are very far away.

Front

What type of star is the coolest?

Back

The coolest type of star is a red star.

Front

What is a supergiant star?

Back

A supergiant star is a very large star that is much bigger than the sun.

Front

What is a yellow star?

Back

A yellow star is a type of star that has a moderate temperature and brightness, like our sun.

Front

How does distance affect the appearance of stars?

Back

The farther a star is from Earth, the smaller and dimmer it appears.

Front

What is the life cycle of a star?

Back

The life cycle of a star includes stages such as nebula, main sequence, red giant, and supernova.

Front

What is a nebula?

Back

A nebula is a giant cloud of gas and dust in space, where new stars are born.