Sun

The video explains the solar system, focusing on the Sun's role. It details how the Sun loses mass through nuclear fusion, releasing energy that results in high core and surface temperatures. The Sun is highlighted as the primary energy source for Earth.

What process causes the Sun to lose mass every second?

• Gravitational pull

• Chemical reaction

• Nuclear fusion

• Nuclear fission

How much mass does the Sun lose every second?

• 1 million tons

• 2 million tons

• 3 million tons

• 4 million tons

What is the approximate core temperature of the Sun?

• 20,000,000°C

• 15,000,000°C

• 10,000,000°C

• 5,000,000°C

What is the surface temperature of the Sun?

• 4500°C

• 5500°C

• 6500°C

• 7500°C

What is the primary source of energy on Earth?

• The Stars

• The Sun

• The Moon

• The Planets