NAFS Space Section-G9-YR24-25-T2

Sunlight takes eight minutes to reach Earth, while moonlight takes 15 seconds at the same speed. Why?

• A. Because the Sun is farther from Earth than the Moon.

• B. Because the Sun is the primary source of light.

• C. The Moon is closer to Earth.

• D. The Sun is closer to Earth than the Moon.

Why does the Sun appear larger than other stars in the sky?

• D. Because it is the only star in our solar system.

• C. Because it emits more light than other stars.

• B. Because it is closer to Earth than other stars.

• A. Because it is the largest star in the universe.

What causes the phases of the Moon as observed from Earth?

• D. The Sun's position relative to the Moon.

• A. The Moon's rotation on its axis.

• B. The Earth's shadow falling on the Moon.

• C. The Moon's orbit around the Earth.

Why does the Sun appear to move across the sky during the day?

• A. Because the Sun orbits the Earth.

• B. Because the Earth rotates on its axis.

• C. Because the Sun moves through the galaxy.

• D. Because the Earth's orbit changes daily.

What is the primary reason for the occurrence of solar eclipses?

• A. The Moon passes between the Earth and the Sun.

• D. The Moon moves away from the Earth.

• B. The Earth passes between the Sun and the Moon.

• C. The Sun moves closer to the Earth.

Why do we experience different seasons on Earth?

• A. The Earth's distance from the Sun changes.

• D. The Moon's gravitational pull affects Earth's climate.

• B. The Earth's axis is tilted relative to its orbit around the Sun.

• C. The Sun's energy output varies throughout the year.

What causes a lunar eclipse?

• A. The Moon moves into the Earth's shadow.

• D. The Moon moves into the Sun's shadow.

• C. The Earth moves into the Moon's shadow.

• B. The Sun moves into the Earth's shadow.

What causes the tides on Earth?

• B. The gravitational pull of the Moon.

• C. The Earth's rotation on its axis.

• D. The Earth's orbit around the Sun.

• A. The gravitational pull of the Sun.

Who were to two astronomers responsible for completing the Apollo 11 (1969) mission?

• Neil Armstrong

  Robert Hooke

• Galileo Galilei

  Norio Armstrong

• Buzz Aldrin

  Neil Hooke

• Neil Armstrong

  Buzz Aldrin

Which of the following is not a Gas Giant?

• Saturn

• Mars

• Uranus

• Venus

• Jupiter