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Why is there day and night? Answer: Clearly, when you see the Sun shining in the sky, it is day, and when you don't it is night. So the real question is "why is the Sun in the sky at some times and not at others?" We can see that the Sun seems to move across the sky starting in the east in the morning, moving toward the south at noon, and then ...
- Acknowledgments
Graphics & Music Acknowledgments. The music clips found in...
- Dr. Laura A. Whitlock
Dr. Laura A. Whitlock served as the Education and Outreach...
- The StarChild Team
The StarChild Team. StarChild has been developed primarily...
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The Sun shines in the day. At night we can see the Moon and stars. The Earth turns on its axis. When the Earth is in shadow it is night. It takes 24 hours for the Earth to make one full turn. If using the [Google jamboard] students can drag and drop the words into the correct places in the sentences.
Mar 9, 2018 · Updated March 09, 2018. By Serm Murmson. The change between day and night is caused by the rotation of the Earth on its axis. If the Earth did not rotate as it does, the day/night cycle would be very different or possibly even nonexistent. The changing lengths of days and nights depends on where you are on Earth and the time of year.
- Earth’s Rotation
- Axial Tilt
- Seasonal Changes
Earth’s rotation occurs from west to east, which is why the Sun always appears to be rising on the eastern horizon and setting on the western. If you could view the Earth from above, looking down at the northern polar region, the planet would appear to be rotating counter-clockwise. However, viewed from the southern polar region, it appears to be r...
As already noted, due to the Earth’s axial tilt(or obliquity), day and night are not evenly divided. If the Earth’s axis were perpendicular to its orbital plane around the Sun, all places on Earth would experience equal amounts of day and night (i.e. 12 hours of day and night, respectively) every day during the year and there would be no seasonal v...
Of course, since the Earth is rotating around the Sun and not just on its axis, this process is reversed during the course of a year. Every six months, the Earth undergoes a half orbit and changes positions to the other side of the Sun, allowing the other hemisphere to experience longer days and warmer temperatures. Consequently, in extreme places ...
Every morning, when the alarm clock rings, the first thing you wonder is why has the day begun so soon. You want the night to come faster, but you have to wait until the sun sets. The whole phenomena of day and night is of great importance in our everyday activity. If you wish to know what is it that causes a day to turn into night and vice versa, you will find the answer right here.
A reference to everyday life: We get day and night so that we can sleep at night and do things in the day. Simple blocking explanations: These explanations all involve something getting in the way of the Sun, blocking its light and thereby creating the darkness of night. Common wrong tracks include arguing that the Moon, clouds or hills and ...
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The part of the Earth that is facing the Sun has the Sun’s light shining on it and has daytime. The part of the Earth facing away from the Sun is in darkness and has night time. So when it is ...
