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Because the Earth's north pole is tilted away from the Sun and the south pole is tilted towards the Sun. This causes days to be shorter and nights to be longer in the northern hemisphere, and causes days to be longer and nights to be shorter in the southern hemisphere. Actually, the tilt is presently decreasing - the maximal tilt occurred on December 21st.
To be more precise, the tilt is actually the same all year round but, since the Earth orbits the Sun, the tilt seems to change, but what is really happening is that the Earth's position in its orbital path is constantly changing, making the orientation of the poles with respect to the Sun constantly changing.
What else can I help you with?
Why does it feel like the night never ends during the winter?
During summer, the days are long and the nights are short. During winter, the days are short and the nights are long.
Are days and nights on mars long or short?
They are around the same length as days on Earth.
What time of year does Antarctica have short days and long nights?
Antarctica has its short days and long nights in June which is when it is wintertime there To see when Antactica has its longest days and other stuff about it, see the related link
What is a sentence using the linking verb. are in it?
The dogs are hungry. The days are long and the nights are short.
Are the nights long in a desert?
The lengths of days and nights in the desert are the same as with any area of the world at the same latitude. In the summer the nights are short while in the winter the nights are long. Over a year's period they average 12 hours of daylight and 12 hours of darkness per day.
How long are days and nights in January and July in Hammerfest Norway?
In Hammerfest, Norway, during January (winter), the days are very short and the nights are long, with only a few hours of daylight. In contrast, during July (summer), the days are very long with almost 24 hours of daylight and very short or no nights at all.
How long do you fast?
for 40 days and nights
How long are Venus's nights?
89 days
How long you fast?
for 40 days and nights
How long are the nights in Venus?
About 121 Earth days
How long did Gilgamesh weep for Enkidu?
Gilgamesh was alseep for seven days and seven nights
What are plants requiring short nights to flower?
long-day
