The Ultimate Sun Quiz

True or false: La maggior parte del Sole è composta da elio e tracce di altri elementi.

True or false: La zona convettiva del Sole è quella più interna, circondata dalla zona radiativa.

True or false: La fotosfera del Sole appare come una serie di punti scuri chiamati granuli.

True or false: La corona del Sole ha una temperatura inferiore a quella della fotosfera.

True or false: Il vento solare è causato dalla gravità della Terra.

The Sun is composed mainly of hydrogen and helium, with traces of other elements.
The core of the Sun has a temperature of 15 million Kelvin and allows for nuclear fusion of hydrogen.
The radiative zone surrounds the core and energy produced by fusion is propagated outward as electromagnetic radiation.
The convective zone surrounds the radiative zone and energy is transported outward by convective motions.
The photosphere appears as a mosaic of bright areas called granules, caused by the upwelling of hotter gas from below.
Sunspots are cooler areas on the photosphere.
The chromosphere is a thin red layer surrounding the photosphere, with irregular features called spicules.
The corona is a very rarefied layer of gas that extends millions of kilometers from the photosphere and has a temperature of 1 million Kelvin.
The solar atmosphere is visible during a total eclipse as a bright halo around the Sun.
The solar wind is formed by particles escaping the Sun's gravity and dispersing in all directions.

Test your knowledge on the star at the center of our solar system with this quiz on the Sun's composition, layers, and behavior. Explore the core's temperature, the photosphere's granules and sunspots, the chromosphere's spicules, and the corona's rarefied gas. Discover the solar wind's formation and the visibility of the solar atmosphere during a total eclipse. Keywords: Sun, hydrogen, helium, nuclear fusion, photosphere, chromosphere, corona, solar