IG Phy – Earth and Moon

The length of a day is determined by the Earth\’s rotation on its axis, which takes approximately 24 hours.

The length of a year is determined by the Earth\’s orbit around the Sun, which takes approximately 365 days.

Day and night are caused by the Earth\’s rotation on its axis.

The Earth rotates towards the west, causing the Sun to rise in the west and set in the east.

The Earth\’s axis of rotation is tilted at 23°.

During winter in the Northern Hemisphere, the hemisphere is tilted towards the Sun.

The Southern Hemisphere experiences summer when the Northern Hemisphere experiences winter.

Regions close to the North Pole experience 24 hours of daylight in the summer and 24 hours of darkness in the winter.

The Moon emits its own light, making it the second brightest object in the sky.

The phases of the Moon are caused by its changing position as it orbits the Earth.