NASA | SDO: Year Three

The video explores the sun's role in our solar system, highlighting its history, massive size, and dynamic nature. It describes the sun as a giant fusion engine that has illuminated Earth for billions of years and will continue to do so. The sun's surface is dynamic, with plasma loops and explosions, yet it provides essential warmth and life to our planet.

How long has the sun been providing light to Earth?

• Over 4 million years

• Over 4 billion years

• Over 400 million years

• Over 400 billion years

What is the sun primarily composed of?

• A metallic core

• A solid rock

• A large body of water

• A swirling cloud of dust and gas

What role does the sun play in the solar system?

• It is a cooling agent

• It is a source of gravity

• It is a static object

• It acts as a giant fusion engine

What phenomena occur on the sun's surface?

• Calm and stillness

• Loops of plasma and explosions

• Constant rain

• Snowstorms

What are some of the benefits the sun provides to Earth?

• Destruction and chaos

• Endless night

• Warmth, life, and beauty

• Darkness and cold