Astronomy and Earth Science Concepts

The video tutorial explores the Earth, Sun, and Moon. It describes the Sun as a massive star with intense heat and light, detailing its size and distance from Earth. The Earth is presented as the third planet from the Sun, with a 24-hour rotation and a 365.25-day orbit, explaining the concept of a leap year. The Moon, Earth's satellite, is discussed in terms of its 28-day orbit and its reflective nature, highlighting its visibility during the day.

What makes the Sun different from other stars in our galaxy?

• It is the only star with planets orbiting it.

• It is close enough for us to feel its heat.

• It is the largest star in the galaxy.

• It is the only star that emits light.

What is the approximate temperature of the Sun's core?

• 10 million degrees Celsius

• 5 million degrees Celsius

• 20 million degrees Celsius

• 15 million degrees Celsius

How long does it take for sunlight to reach Earth?

• About 15 minutes

• About 30 minutes

• About 8 minutes

• About 1 hour

Which planet is the third from the Sun?

• Mars

• Earth

• Venus

• Jupiter

How many days does it take for Earth to complete one orbit around the Sun?

• 364 days

• 366 days

• 365.25 days

• 365 days

How often does a leap year occur?

• Every 4 years

• Every 5 years

• Every 2 years

• Every 3 years

What is a lunar month?

• The time it takes for the Moon to orbit the Sun

• The time it takes for the Moon to orbit Earth

• The time it takes for the Sun to orbit the galaxy

• The time it takes for Earth to orbit the Sun

Why does the Moon appear to shine brightly?

• It emits its own light.

• It is closer to Earth than the Sun.

• It reflects the Sun's light.

• It has a glowing surface.

Why is the Moon harder to see during the day?

• The Sun's brightness makes it less visible.

• It is not present in the sky during the day.

• It moves to the other side of Earth.

• It is blocked by clouds.

What is the only other place humans have visited outside of Earth?

• Mars

• Venus

• The Moon

• Jupiter