Earth's Motion & Stars

Front

What are zodiac constellations?

Back

Zodiac constellations are a group of 12 constellations that lie along the ecliptic, the apparent path of the Sun across the sky.

Front

How many zodiac constellations are there?

Back

There are 12 zodiac constellations.

Front

What causes the change of seasons on Earth?

Back

The seasons change because the Earth's axis is tilted relative to its orbit around the Sun.

Front

How does Earth's rotation appear different in the Northern and Southern Hemispheres?

Back

In the Northern Hemisphere, the Earth rotates counterclockwise, while in the Southern Hemisphere, it rotates clockwise.

Front

What is a constellation?

Back

A constellation is a group of stars that appear to form a pattern in the sky.

Front

Do constellations change positions drastically from year to year?

Back

No, the positions of constellations in the sky do not change drastically from year to year.

Front

How many degrees does the Earth rotate in one hour?

Back

The Earth rotates 15 degrees in one hour.

Front

How many degrees will the Earth rotate in 10 hours?

Back

The Earth will rotate 150 degrees in 10 hours.

Front

What is the ecliptic?

Back

The ecliptic is the apparent path of the Sun across the sky, which also defines the plane of the Earth's orbit around the Sun.

Front

What is the significance of the tilt of Earth's axis?

Back

The tilt of Earth's axis is significant because it causes the variation in sunlight received at different latitudes, leading to the changing seasons.