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What time is it?
1.
2. Caused by the spin of the Earth on its axis
Spinning is also known as rotation
It takes about 24 hours for the Earth to make
one rotation
3. 7 days for the…
7 non star visible objects in the sky (yes the Sun
is a star, but the ancients did now know that)
Some of the days make sense in English, but
Tuesday-Friday are named after the Norse form
of the planet instead of the Latin/Roman form
Day Object
Sunday Sun
Monday Moon
Tuesday Mars
Wednesday Mercury
Thursday Jupiter
Friday Venus
Saturday Saturday
4. Month sounds like moon!The word month
does come from the word moon.
A lunar month is about 28 days. It takes the
moon about 27.5 days to revolve around the
Earth but because the Earth is also moving, it
looks like 29.5 days.To make our calendar
more equal, we have 30-31 days in most
months.
5. Years are based on how long it takes the
Earth to make one complete orbit (revolution)
around the sun
It takes the Earth 365.2422 days to orbit the
sun
Because of that, we have leap year every four
years
On years that end in a 00, it must also be
divisible by 400 to be a leap year (1900 was
not a leap year but 2000 was).