Difference between Rotation and Revolution - SS1 Geography Past Questions and Answers - page 2
In which phase of twilight is the sky not completely dark, allowing for some visibility of stars and celestial objects?
Dawn
Nautical Twilight
Dusk
Astronomical Twilight
What occurs when the Moon passes between the Earth and the Sun, creating a shadow on the Earth?
Solar Eclipse
Lunar Eclipse
Star Eclipse
Planet Eclipse
What phase of twilight is important for activities like navigation at sea?
Civil Twilight
Dusk
Morning Twilight
Nautical Twilight
What celestial body is responsible for the soft, diffused light during dawn?
Earth
Moon
Sun
Star
During which phase of twilight can you still see the horizon but it's not bright enough for most outdoor activities?
Civil Twilight
Astronomical Twilight
Dawn
Daybreak
Describe the main difference between a solar eclipse and a lunar eclipse.
Solar eclipses involve the Moon passing between the Earth and the Sun, blocking the Sun's light. Lunar eclipses occur when the Earth comes between the Sun and the Moon, causing the Earth's shadow to be cast on the Moon.
What is the significance of nautical twilight, and why is it important?
Nautical twilight is important for navigation at sea because it's the phase during which the horizon is still visible, aiding sailors and navigators.
How does the appearance of the sky change during the transition from dawn to sunrise?
The sky gradually gets lighter and transitions from the soft, dim light of dawn to the fully illuminated state during sunrise.
Why is astronomical twilight the preferred time for astronomers and stargazers?
Astronomical twilight is the darkest phase of twilight, providing an ideal environment for observing celestial objects without interference from sunlight
Explain the concept of a total solar eclipse and what causes it.
A total solar eclipse occurs when the Moon completely covers the Sun, blocking its light. This happens because of the alignment of the Earth, Moon, and Sun in a straight line.