What is the Sun?

The Sun is the star at the center of our solar system. It is a nearly perfect sphere of hot plasma, radiating energy and light.

Key Facts

• Age: Approximately 4.6 billion years old
• Diameter: About 1.39 million kilometers (865,000 miles)
• Temperature: Surface: 5,500 degrees Celsius (9,932 degrees Fahrenheit)
• Core: Approximately 15 million degrees Celsius (27 million degrees Fahrenheit)

Importance to Earth

The Sun is crucial for life on Earth. It provides the energy needed for plants to perform photosynthesis, influences our climate, and drives weather patterns.

Solar Phenomena

The Sun is known for various phenomena such as solar flares, sunspots, and solar wind. These events can impact space weather and even affect technology on Earth.