Some constellations such as Ursa Minor, are visible in the sky year round other constellations appear for only part of the year.Explain why this happens.
The earth moves in its orbit, so the direction facing away from the sun changes during the year. We only see stars in the night sky.
I know this,but is there anything else You think I can add.
PLEASE HELP
constellations in the North Sky and South sky may not always be visible because of Earth tile and latitude from which observed.
Thank you! So is that something I should add or a better answer.
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I'm stuck too. I'm looking for information to help me understand this.
there are two essays
Of course! In addition to the Earth's orbit around the Sun, there are a few more factors that contribute to why some constellations are visible year-round while others appear only for part of the year.
Firstly, the Earth rotates on its axis, causing the stars to appear to move across the night sky. This rotation takes approximately 24 hours, making the stars seem to rise in the east and set in the west. This motion is why we perceive different constellations throughout the night.
Secondly, the tilt of the Earth's axis plays a significant role. The Earth's axis is tilted by about 23.5 degrees concerning its orbit around the Sun. This tilt is what gives us the changing seasons. As the Earth orbits the Sun, the tilt causes different parts of the night sky to come into view at different times of the year.
For example, during the winter in the northern hemisphere, the North Star, also known as Polaris, is located almost directly above the North Pole. This makes constellations like Ursa Minor (which contains the North Star) visible year-round in the northern hemisphere. On the other hand, during the summer, the North Star appears lower in the sky, making it less visible and causing different constellations to dominate the night sky.
Lastly, the Earth's atmosphere can also impact our view of the stars. Factors like weather, pollution, and light pollution in urban areas can reduce visibility, making it challenging to view certain constellations.
By considering these factors, you can provide a more comprehensive explanation of why some constellations are visible year-round, while others only appear for part of the year.