Why do the stars and the constellations in the sky appear to change positions throughout the night and throughout the year?

1. The stars and constellation have tilted and are also moving in space.
2. The Earth’s tilt changes its position relative to the stars and constellations only because the Earth rotates around its axis.
3. The location angle of the Earth's tilt relative to the stars and constellations remains the same throughout the year.
4. The Earth’s tilt changes its position relative to the stars and constellations as the Earth rotates and orbits.

4. The Earth’s tilt changes its position relative to the stars and constellations as the Earth rotates and orbits.

To include new stars and constellations that are discovered every month.

1. To include new stars and constellations that are discovered every month.
2. To observe stars and other distant objects in space.
3. To provide images of constellations from month to month.
4. To see how constellations change positions in the sky throughout the year.

1. To include new stars and constellations that are discovered every month.

The correct answer is number 4. The Earth's tilt changes its position relative to the stars and constellations as the Earth rotates and orbits.

Throughout the night, the rotation of the Earth on its axis causes the stars and constellations to appear to move across the sky. This apparent motion is due to the rotation of the Earth, rather than the actual movement of the stars.

Over the course of the year, the Earth's orbit around the Sun also causes a change in our perspective of the stars and constellations. As the Earth orbits the Sun, the position of the Earth's tilt relative to the stars changes. This means that certain constellations that were visible at one time of the year may not be visible at another time.

It is important to note that while the stars and constellations appear to change positions, they are actually relatively fixed in space. The apparent motion is a result of the Earth's rotation and orbit.

The correct answer is option 4.

The reason why the stars and constellations appear to change positions throughout the night and throughout the year is because of the Earth's rotation and orbit around the Sun.

First, let's consider the Earth's rotation. The Earth rotates on its axis, completing one full rotation every 24 hours. As a result, different parts of the Earth are facing different directions in space at any given time. This rotation causes the stars and constellations to appear to move across the sky throughout the night. For example, as the Earth rotates, the stars that were visible in the eastern part of the sky will gradually move towards the western part.

Now, let's take into account the Earth's orbit around the Sun. The Earth orbits the Sun in an elliptical path, taking approximately 365.25 days to complete one orbit. As the Earth orbits, the angle of the Earth's tilt remains constant relative to the stars and constellations. However, because of its orbit, the Earth's position in space is continuously changing.

This means that throughout the year, we see different parts of the sky at different times of the night. As the Earth moves along its orbit, the view of the stars and constellations changes. For instance, during the summer months in one hemisphere, certain constellations may be more prominently visible, while during the winter months, different constellations may dominate the night sky.

It's important to note that while the stars and constellations appear to change their positions relative to our viewpoint on Earth, they are actually much farther away and are relatively fixed in the sky over long periods of time. However, due to the Earth's rotation and movement in its orbit, we observe these apparent shifts in their positions throughout the night and throughout the year.