The Sun and Stars

Front

What are the layers of the sun?

Back

The layers of the sun are: core, radiative zone, convective zone, photosphere, chromosphere, and corona.

Front

What is the luminous star that Earth and other planets revolve around?

Back

The Sun, composed mainly of hydrogen and helium.

Front

What is a supernova?

Back

A supernova is the explosion of a high-mass star.

Front

What is the core of the sun?

Back

The core is the center of the Sun where energy is produced through nuclear fusion.

Front

Rank the following astronomical objects by size, starting with the smallest: earth, sun, solar system, galaxy, universe.

Back

The correct ranking is: earth, sun, solar system, galaxy, universe.

Front

What is the photosphere?

Back

The photosphere is the visible surface of the sun that emits light.

Front

What is the corona?

Back

The corona is the outermost layer of the sun's atmosphere, visible during a solar eclipse.

Front

What is a neutron star?

Back

A neutron star is the remnant core of a massive star after a supernova explosion, extremely dense and composed mostly of neutrons.

Front

What is a planetary nebula?

Back

A planetary nebula is a shell of gas ejected from a star during the late stages of its evolution.

Front

What is the difference between a star and a planet?

Back

A star is a luminous celestial body that generates energy through nuclear fusion, while a planet is a celestial body that orbits a star and does not produce its own light.