Structure of Stars/Sun

Front

What is the defining force that holds a sun together?

Back

Gravity is the force that holds a sun together.

Front

Name the two gases commonly found in the core and radiative zone of a star.

Back

Helium and hydrogen are the two gases commonly found in the core and radiative zone of a star.

Front

How does the visible energy from the Sun differ from non-visible energy?

Back

Visible energy from the Sun has different wavelengths compared to non-visible energy.

Front

Which star is the hottest?

Back

A blue main-sequence star is the hottest.

Front

What determines the absolute brightness of a star?

Back

The absolute brightness of a star is determined by its size and temperature.

Front

What is the core of a star?

Back

The core is the central region of a star where nuclear fusion occurs, producing energy.

Front

What is nuclear fusion?

Back

Nuclear fusion is the process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What are the main layers of a star?

Back

The main layers of a star include the core, radiative zone, and convective zone.

Front

What is a white dwarf?

Back

A white dwarf is a small, dense star that is the remnant of a low to medium mass star after it has exhausted its nuclear fuel.

Front

What is a red supergiant?

Back

A red supergiant is a very large star that has expanded and cooled, resulting in a reddish appearance.