Earth-Moon-Sun System

Front

What is the Earth-Moon-Sun system?

Back

The Earth-Moon-Sun system refers to the gravitational interactions and relationships between the Earth, the Moon, and the Sun, which influence phenomena such as tides, lunar phases, and eclipses.

Front

How long does it take for the Moon to complete one full rotation on its axis?

Back

The Moon takes about 27.3 days to complete one full rotation on its axis, which is the same time it takes to orbit the Earth.

Front

What is a lunar phase?

Back

A lunar phase is the appearance of the Moon as seen from Earth, which changes over a cycle of about 29.5 days due to the Moon's position relative to the Earth and Sun.

Front

What is a Full Moon?

Back

A Full Moon occurs when the Moon is on the opposite side of the Earth from the Sun, fully illuminating its surface as seen from Earth.

Front

What is a New Moon?

Back

A New Moon occurs when the Moon is between the Earth and the Sun, making it invisible from Earth as the illuminated side faces away.

Front

What does 'waxing' mean in relation to the Moon?

Back

'Waxing' refers to the phase of the Moon when it is increasing in illumination, moving from New Moon to Full Moon.

Front

What does 'waning' mean in relation to the Moon?

Back

'Waning' refers to the phase of the Moon when it is decreasing in illumination, moving from Full Moon to New Moon.

Front

What is the significance of the Earth's tilt?

Back

The Earth's tilt of approximately 23.5 degrees is responsible for the changing seasons as it orbits the Sun.

Front

What causes tides on Earth?

Back

Tides are caused by the gravitational pull of the Moon and the Sun on Earth's oceans, leading to the rise and fall of sea levels.

Front

How long does it take for the Earth to revolve around the Sun?

Back

It takes approximately 365.25 days for the Earth to complete one full revolution around the Sun, which defines one year.