Our Galaxy and Stars: Our Star the Sun

The video explores our understanding of the Sun, the closest star to Earth. It discusses the Sun's size, composition, and the nuclear fusion process that powers it. The video also covers solar phenomena like prominences, solar flares, and sunspots, explaining their effects on Earth, including disruptions to communication signals due to solar wind.

How long does it take for sunlight to travel from the Sun to Earth?

• About 8 minutes

• About 8 days

• About 8 seconds

• About 8 hours

What is the primary process occurring at the center of the Sun?

• Chemical reaction

• Nuclear fusion

• Nuclear fission

• Magnetic resonance

What are prominences on the Sun?

• Streams of high-energy particles

• Huge eruptions of hot gas

• Bright bursts of light

• Cooler areas on the Sun's surface

Which solar phenomenon can affect communication signals on Earth?

• Solar eclipses

• Meteor showers

• Lunar phases

• Sunspots

What is the solar wind?

• A stream of high-energy particles from the Sun

• A type of solar flare

• A type of sunspot

• A storm on the Sun's surface