SCIENCE BOOTCAMP SC.8.E.5.5

Front

What is a star?

Back

A star is a self-luminous celestial body made of gas, held together by gravity, and powered by nuclear reactions.

Front

What is apparent magnitude?

Back

Apparent magnitude is how bright a star appears from Earth.

Front

What is absolute magnitude?

Back

Absolute magnitude is the actual brightness of a star if it were at a standard distance from Earth.

Front

What determines a star's color?

Back

A star's color is determined by its surface temperature.

Front

What is the Hertzsprung-Russell (H-R) diagram?

Back

The H-R diagram is a graph that shows the relationship between a star's brightness and its temperature.

Front

What is a nebula?

Back

A nebula is a large cloud of gas and dust where stars are born.

Front

What is a supernova?

Back

A supernova is the explosive death of a massive star.

Front

What is a black hole?

Back

A black hole is a region in space with gravity so strong that not even light can escape it.

Front

What is a white dwarf?

Back

A white dwarf is the small, dense core left behind after a star has exhausted its fuel.

Front

What is luminosity?

Back

Luminosity is the total amount of energy a star emits per second.