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What will be the duration of day or night if the diameter of earth suddenly reduced to half of its original value?
The day would be 11.5 hrs. and the night would be 11.0 hrs..
Is sunlight always shining on half of Earth?
Sunlight is always shining on one half of the Earth as the planet rotates on its axis, causing day and night. This rotation creates a cycle of 24 hours with half of the globe facing the sun ("day side") and the other half facing away from it ("night side").
Why is there day time and night time on mars?
Mars has day and night for the same reasons that Earth has day and night. Mars, like Earth, rotates on an axis. That means that the Mars is spinning like a top. As the planet spins, half of it is facing the sun, and the other half isn't. So the half that is facing the sun experiences daytime, and the other half has nighttime. The planet spins around so the the same half is facing the sun every 24.6 (almost 25) hours. This is the same way that we see night and day, except Earth spins a little faster, so we have a complete day and night every 24 hours.
At what time of year are the earth's day and night equal?
equinox
How much of earth is in daylight at any given time?
Approximately half of the Earth is in daylight at any given time due to its rotation on its axis, with one side facing the Sun (daytime) and the other side facing away (nighttime). This is why we experience day and night cycles throughout the day.
What is longest day noted till yet?
Inside the arctic circle, it can be "day" all day long, all 24 hours long. At the poles, this will continue for half a year. The other half year is night.
What is one half day and night called?
One half day and night is called a period of approximately 12 hours, commonly referred to as half a day.
How long is night?
half the day
How much of earth is in day and how much is in night?
Half and half
When it is day at the Arctic Circle what is it at the Antarctic Circle?
When it is day at the Arctic Circle, it is night at the Antarctic Circle. This is because the Earth's tilt causes one pole to be in 24-hour daylight while the other experiences 24-hour darkness, depending on the time of year.
What continents and oceans crossed by the Antarctic circle?
The Antarctic Circle -- 66°S 33′ 44″ - the latitude in the Southern Hemisphere south of which marks locations on earth that experience at least one 24-hour day and one 24-hour night each year. The Antarctic Circle crosses Antarctica and the Southern Ocean.
What are the continents and oceans crossed by the antarctic circle?
The Antarctic Circle -- 66°S 33′ 44″ - the latitude in the Southern Hemisphere south of which marks locations on earth that experience at least one 24-hour day and one 24-hour night each year. The Antarctic Circle crosses Antarctica and the Southern Ocean.
Is pm night?
"POST MERIDIAN" means after noon that is 12 o clock mid day to 12 o clock mid night so half day and half night
What planet has a day half as long as its year?
That's Mercury: "sidereal day" is more than half its year. Or, it could be Venus: "solar day" is just over half its year.
Why do Antarctic region has continuous day while the arctic region has continuous night?
because of the rotation of the earth on its axis
Is a desert hot or cold?
Some, such as the Sahara are hot in the day and cold at night. Others, such as the Antarctic, are simply cold.
Why do you have a day and night?
Because the earth rotates (spins). Half the time you are facing the sun (light/day). The other half you are on the side away from the sun (dark/night).
