Rigel, the bright blue supergiant star, is not a solid object like Earth. It's a massive ball of hot, ionized gas, primarily hydrogen and helium.

Here's a breakdown of what we know about Rigel's surface:

* Extremely hot: Rigel's surface temperature is around 11,000 degrees Celsius (20,000 degrees Fahrenheit). This is much hotter than our Sun's surface temperature of 5,500 degrees Celsius (9,932 degrees Fahrenheit).

* Gaseous and turbulent: The surface is constantly churning and moving, with powerful convection currents transporting energy from the star's core outward.

* Emission of light and radiation: The star's intense heat and energy cause it to emit a vast amount of light and radiation, making it one of the brightest stars in the night sky.

* Stellar winds: Rigel is constantly losing mass through powerful stellar winds, which carry away particles from its surface at high speeds.

In essence, Rigel doesn't have a "surface" in the traditional sense. Instead, it has a constantly changing, turbulent, and intensely hot outer layer of gas.