The Ultimate Sun Quiz

Solar Facts

• The Sun is a star located at the center of our solar system.
• It is primarily composed of hydrogen (about 74%) and helium (about 24%), with trace amounts of heavier elements.

Energy Production

• The main source of the Sun's energy is nuclear fusion, which occurs in its core.
• During nuclear fusion, hydrogen atoms combine to form helium, releasing an enormous amount of energy in the process.

Temperature Insights

• The approximate temperature of the Sun's core reaches around 15 million degrees Celsius (27 million degrees Fahrenheit).
• The extreme temperatures are essential for sustaining the nuclear fusion reaction.

Visible Layers

• The layer of the Sun visible to the naked eye is called the photosphere.
• The photosphere appears as a bright surface from which most of the Sun's light is emitted.

Age of the Sun

• The Sun is approximately 4.6 billion years old.
• It formed from the gravitational collapse of a region within a large molecular cloud.